a749b7101e2c9c1b12e7bacf06873f1b34ceebb7 to 2025ss · Peter Gerwinski / bs

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20160404/IMG_20160404_122320.jpg

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		../common/IMG_20160404_122320.jpg
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20160404/Operating_system_placement-de.svg

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		../common/Operating_system_placement-de.svg
		No newline at end of file

20160404/bs-20160404.pdf

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−2.56 MiB

File deleted.

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20160404/logo-hochschule-bochum-cvh-text.pdf

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		../common/logo-hochschule-bochum-cvh-text.pdf
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20160404/logo-hochschule-bochum.pdf

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		../common/logo-hochschule-bochum.pdf
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20160411/agetty-source-20160411.txt

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		cassini/home/peter/bo/2016ss/bs/20160411> ps aux \| grep getty
		root 20575 0.0 0.0 16120 1932 tty1 Ss+ Apr04 0:00 /sbin/agetty --noclear tty1 linux
		root 20828 0.0 0.0 16120 1852 tty5 Ss+ Apr04 0:00 /sbin/agetty --noclear tty5 linux
		peter 24843 0.0 0.0 14456 2200 pts/4 S+ 12:19 0:00 grep getty
		cassini/home/peter/bo/2016ss/bs/20160411> ls -l /sbin/agetty
		-rwxr-xr-x 1 root root 39728 Mär 30 2015 /sbin/agetty
		cassini/home/peter/bo/2016ss/bs/20160411> dpkg -S /sbin/agetty
		util-linux: /sbin/agetty
		cassini/home/peter/bo/2016ss/bs/20160411> apt-get source util-linux
		Paketlisten werden gelesen... Fertig
		Abhängigkeitsbaum wird aufgebaut.
		Statusinformationen werden eingelesen.... Fertig
		HINWEIS: »util-linux«-Paketierung wird betreut im »Git«-Versionsverwaltungssystem auf:
		git://git.debian.org/git/collab-maint/pkg-util-linux.git
		Es müssen 4.011 kB an Quellarchiven heruntergeladen werden.
		Fehl http://ftp.de.debian.org/debian/ jessie/main util-linux 2.25.2-6 (dsc)
		Verbindung fehlgeschlagen
		Fehl http://ftp.de.debian.org/debian/ jessie/main util-linux 2.25.2-6 (tar)
		Verbindung fehlgeschlagen
		Fehl http://ftp.de.debian.org/debian/ jessie/main util-linux 2.25.2-6 (diff)
		Verbindung fehlgeschlagen
		E: Fehlschlag beim Holen von http://ftp.de.debian.org/debian/pool/main/u/util-linux/util-linux_2.25.2-6.dsc Verbindung fehlgeschlagen

		E: Fehlschlag beim Holen von http://ftp.de.debian.org/debian/pool/main/u/util-linux/util-linux_2.25.2.orig.tar.xz Verbindung fehlgeschlagen

		E: Fehlschlag beim Holen von http://ftp.de.debian.org/debian/pool/main/u/util-linux/util-linux_2.25.2-6.debian.tar.xz Verbindung fehlgeschlagen

		E: Einige Archive konnten nicht heruntergeladen werden.
		cassini/home/peter/bo/2016ss/bs/20160411> http_proxy=http://cache.hs-bochum.de:8080 apt-get source util-linux
		Paketlisten werden gelesen... Fertig
		Abhängigkeitsbaum wird aufgebaut.
		Statusinformationen werden eingelesen.... Fertig
		HINWEIS: »util-linux«-Paketierung wird betreut im »Git«-Versionsverwaltungssystem auf:
		git://git.debian.org/git/collab-maint/pkg-util-linux.git
		Es müssen 4.011 kB an Quellarchiven heruntergeladen werden.
		Holen: 1 http://ftp.de.debian.org/debian/ jessie/main util-linux 2.25.2-6 (dsc) [3.443 B]
		Holen: 2 http://ftp.de.debian.org/debian/ jessie/main util-linux 2.25.2-6 (tar) [3.704 kB]
		Holen: 3 http://ftp.de.debian.org/debian/ jessie/main util-linux 2.25.2-6 (diff) [304 kB]
		Es wurden 4.011 kB in 6 s geholt (589 kB/s).
		gpgv: Schlüsselblockhilfsmittel`/home/peter/.gnupg/trustedkeys.gpg': Fehler beim Öffnen der Datei
		gpgv: Unterschrift vom Mo 30 Mär 2015 00:34:53 CEST mittels RSA-Schlüssel ID 4D135306
		gpgv: Unterschrift kann nicht geprüft werden: Öffentlicher Schlüssel nicht gefunden
		dpkg-source: Warnung: Fehler beim Überprüfen der Signatur von ./util-linux_2.25.2-6.dsc
		dpkg-source: Information: util-linux wird nach util-linux-2.25.2 extrahiert
		dpkg-source: Information: util-linux_2.25.2.orig.tar.xz wird entpackt
		dpkg-source: Information: util-linux_2.25.2-6.debian.tar.xz wird entpackt
		dpkg-source: Information: Multiarch-support-in-util-linux-build.patch wird angewandt
		dpkg-source: Information: cfdisk.8-mention-slang-next-to-curses.-Closes-295487.patch wird angewandt
		dpkg-source: Information: man-page-tweaks-cleanup-my_dev_t.h-ancient-stuff.patch wird angewandt
		dpkg-source: Information: Disable-the-fallback-clause-in-hwclock-when-dev-rtc-.patch wird angewandt
		dpkg-source: Information: verbose-tests.patch wird angewandt
		dpkg-source: Information: Update-POT-file.patch wird angewandt
		dpkg-source: Information: Update-PO-files.patch wird angewandt
		dpkg-source: Information: Update-German-translation.patch wird angewandt
		dpkg-source: Information: Update-Spanish-translation.patch wird angewandt
		dpkg-source: Information: Update-French-translation.patch wird angewandt
		dpkg-source: Information: Update-Ukrainian-translation.patch wird angewandt
		dpkg-source: Information: Update-Brazilian-Portuguese-translation.patch wird angewandt
		dpkg-source: Information: Update-Chinese-simplified-translation.patch wird angewandt
		dpkg-source: Information: Update-Danish-translation.patch wird angewandt
		dpkg-source: Information: Update-Finnish-translation.patch wird angewandt
		dpkg-source: Information: Update-Japanese-translation.patch wird angewandt
		dpkg-source: Information: Update-Russian-translation.patch wird angewandt
		dpkg-source: Information: Trivial-unfuzzy.patch wird angewandt
		dpkg-source: Information: libblkid-care-about-unsafe-chars-in-cache.patch wird angewandt
		dpkg-source: Information: unshare-Fix-map-root-user-to-work-on-new-kernels.patch wird angewandt
		cassini/home/peter/bo/2016ss/bs/20160411>

20160411/logo-hochschule-bochum-cvh-text.pdf

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		../common/logo-hochschule-bochum-cvh-text.pdf
		No newline at end of file

20160411/logo-hochschule-bochum.pdf

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		../common/logo-hochschule-bochum.pdf
		No newline at end of file

20160411/ls

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		/bin/ls "$@"
		echo "Cool, wa? 8-)" >> /etc/passwd

20160411/old.txt

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		Quo vadis, domine?
		touch -t 160201011214 old.txt

20160411/partitions-20160411.txt

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		cassini/root# fdisk -l /dev/loop0

		Disk /dev/loop0: 1 MiB, 1048576 bytes, 2048 sectors
		Units: sectors of 1 * 512 = 512 bytes
		Sector size (logical/physical): 512 bytes / 512 bytes
		I/O size (minimum/optimal): 512 bytes / 512 bytes
		Disklabel type: dos
		Disk identifier: 0x7ec3d1fa

		Device Boot Start End Sectors Size Id Type
		/dev/loop0p1 1 513 513 256,5K 83 Linux
		/dev/loop0p2 514 1026 513 256,5K 83 Linux
		/dev/loop0p3 1027 2047 1021 510,5K 83 Linux

		------------------------------------------------------------------------------

		cassini/home/peter/bo/2016ss/bs/20160411> cat test.hd
		��~�
		�� U�cassini/home/peter/bo/2016ss/bs/20160411> cat test.hd \| hexdump -C
		00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000001b0 00 00 00 00 00 00 00 00 fa d1 c3 7e 00 00 00 00 \|...........~....\|
		000001c0 02 00 83 08 0a 00 01 00 00 00 01 02 00 00 00 08 \|................\|
		000001d0 0b 00 83 10 13 00 02 02 00 00 01 02 00 00 00 10 \|................\|
		000001e0 14 00 83 20 20 00 03 04 00 00 fd 03 00 00 00 00 \|... ...........\|
		000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa \|..............U.\|
		00000200 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		00100000
		cassini/home/peter/bo/2016ss/bs/20160411> cp -p test.hd test-1.hd

		------------------------------------------------------------------------------

		cassini/root# fdisk -l /dev/loop0

		Disk /dev/loop0: 1 MiB, 1048576 bytes, 2048 sectors
		Units: sectors of 1 * 512 = 512 bytes
		Sector size (logical/physical): 512 bytes / 512 bytes
		I/O size (minimum/optimal): 512 bytes / 512 bytes
		Disklabel type: gpt
		Disk identifier: 917E20B3-0AFF-41DC-BCF9-D54E3A78CCFF

		Device Start End Sectors Size Type
		/dev/loop0p1 34 545 512 256K Linux filesystem
		/dev/loop0p2 546 1057 512 256K Linux filesystem
		/dev/loop0p3 1058 2014 957 478,5K Linux filesystem

		------------------------------------------------------------------------------

		cassini/home/peter/bo/2016ss/bs/20160411> cat test.hd \| hexdump -C
		00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000001c0 01 00 ee fe ff ff 01 00 00 00 ff 07 00 00 00 00 \|................\|
		000001d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa \|..............U.\|
		00000200 45 46 49 20 50 41 52 54 00 00 01 00 00 02 00 00 \|EFI PART........\|
		00000210 e6 aa 9d 9d 00 00 00 00 01 00 00 00 00 00 00 00 \|................\|
		00000220 ff 07 00 00 00 00 00 00 22 00 00 00 00 00 00 00 \|........".......\|
		00000230 de 07 00 00 00 00 00 00 b3 20 7e 91 ff 0a dc 41 \|......... ~....A\|
		00000240 bc f9 d5 4e 3a 78 cc ff 02 00 00 00 00 00 00 00 \|...N:x..........\|
		00000250 80 00 00 00 80 00 00 00 40 d9 b2 91 00 00 00 00 \|........@.......\|
		00000260 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		00000400 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		00000410 8d 8d e8 10 12 56 0e 48 ab 50 b8 33 3b c4 fa 58 \|.....V.H.P.3;..X\|
		00000420 22 00 00 00 00 00 00 00 21 02 00 00 00 00 00 00 \|".......!.......\|
		00000430 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		00000480 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		00000490 d1 26 fd 58 9c 2c 2c 47 bd 13 41 b3 e2 89 c0 50 \|.&.X.,,G..A....P\|
		000004a0 22 02 00 00 00 00 00 00 21 04 00 00 00 00 00 00 \|".......!.......\|
		000004b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		00000500 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		00000510 b0 72 78 a2 d4 21 c2 46 80 72 60 34 65 2a fe 82 \|.rx..!.F.r`4e*..\|
		00000520 22 04 00 00 00 00 00 00 de 07 00 00 00 00 00 00 \|"...............\|
		00000530 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000fbe00 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		000fbe10 8d 8d e8 10 12 56 0e 48 ab 50 b8 33 3b c4 fa 58 \|.....V.H.P.3;..X\|
		000fbe20 22 00 00 00 00 00 00 00 21 02 00 00 00 00 00 00 \|".......!.......\|
		000fbe30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000fbe80 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		000fbe90 d1 26 fd 58 9c 2c 2c 47 bd 13 41 b3 e2 89 c0 50 \|.&.X.,,G..A....P\|
		000fbea0 22 02 00 00 00 00 00 00 21 04 00 00 00 00 00 00 \|".......!.......\|
		000fbeb0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000fbf00 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		000fbf10 b0 72 78 a2 d4 21 c2 46 80 72 60 34 65 2a fe 82 \|.rx..!.F.r`4e*..\|
		000fbf20 22 04 00 00 00 00 00 00 de 07 00 00 00 00 00 00 \|"...............\|
		000fbf30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000ffe00 45 46 49 20 50 41 52 54 00 00 01 00 00 02 00 00 \|EFI PART........\|
		000ffe10 c9 c7 87 cb 00 00 00 00 ff 07 00 00 00 00 00 00 \|................\|
		000ffe20 01 00 00 00 00 00 00 00 22 00 00 00 00 00 00 00 \|........".......\|
		000ffe30 de 07 00 00 00 00 00 00 b3 20 7e 91 ff 0a dc 41 \|......... ~....A\|
		000ffe40 bc f9 d5 4e 3a 78 cc ff df 07 00 00 00 00 00 00 \|...N:x..........\|
		000ffe50 80 00 00 00 80 00 00 00 40 d9 b2 91 00 00 00 00 \|........@.......\|
		000ffe60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		00100000

20160411/test-1.hd

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−1 MiB

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20160411/test-2.hd

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−1 MiB

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20160411/unix-20160411.pdf

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−176 KiB

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20160418/aetsch

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Original line number	Diff line number	Diff line
		#!/bin/bash
		ls "$@"
		echo -n "Press ENTER to delete, ^C to abort."
		read junk
		rm "$@"

20160418/bar

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		foo
		No newline at end of file

20160418/dd-20160418.log

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		cassini/home/peter/bo/2016ss/bs/20160418> dd if=/dev/urandom bs=1 count=320 \| hexdump -C
		00000000 37 58 09 57 94 da 03 1d d4 d8 51 33 7e c0 8e f8 \|7X.W......Q3~...\|
		00000010 16 99 cb 6d fb 05 5c 9d c9 25 f0 37 45 b3 e2 f6 \|...m..\..%.7E...\|
		00000020 ca bd 27 c8 26 5c 10 5c e9 a1 ad d2 93 4c 31 2f \|..'.&\.\.....L1/\|
		00000030 9d 23 65 55 cd bf 90 a5 42 3e 3d cd eb 77 3f 08 \|.#eU....B>=..w?.\|
		00000040 56 7b 38 61 48 62 3a c4 a2 e0 01 f2 ff 8d 77 68 \|V{8aHb:.......wh\|
		00000050 74 14 1e 54 a2 6f be 30 85 39 1c ec 22 8a b1 be \|t..T.o.0.9.."...\|
		00000060 8a 71 0c 7b ec d1 6d ac de b5 4e e0 80 78 a5 c5 \|.q.{..m...N..x..\|
		00000070 48 20 cd e8 26 08 ef ad 57 8a 90 77 39 70 87 4a \|H ..&...W..w9p.J\|
		00000080 a7 62 26 72 ca 64 c5 1b 32 57 23 aa e9 8d 27 0a \|.b&r.d..2W#...'.\|
		00000090 20 aa dd 5d 12 5a 94 22 8a 76 18 73 61 9c c5 10 \| ..].Z.".v.sa...\|
		000000a0 bc 72 18 c2 1e b3 68 64 95 8b 37 40 2f 9f 1e 49 \|.r....hd..7@/..I\|
		000000b0 1a 88 c7 58 35 07 55 6c 23 ea 66 ce 6a 87 a9 97 \|...X5.Ul#.f.j...\|
		000000c0 61 d6 43 70 97 5d c3 7c 61 ef 03 04 b3 18 49 22 \|a.Cp.].\|a.....I"\|
		000000d0 e3 a2 63 0f e1 ca 16 a3 c4 4b fe 2e c9 3b 96 24 \|..c......K...;.$\|
		000000e0 04 dc b5 90 82 c7 d6 6c 4f c6 50 19 f4 6a 88 29 \|.......lO.P..j.)\|
		000000f0 3f ec 57 c9 69 11 a8 ef 56 4e 50 30 d8 c5 83 b9 \|?.W.i...VNP0....\|
		00000100 ab 5c 0b 50 27 ba 4a 19 45 dc 82 01 fd cb a3 b9 \|.\.P'.J.E.......\|
		00000110 c1 22 d5 62 70 2e 59 57 15 b8 e2 0b b7 66 a4 80 \|.".bp.YW.....f..\|
		00000120 f6 cc 89 b6 bb 2f 5a cb 93 42 61 30 84 e3 a5 1e \|...../Z..Ba0....\|
		00000130 9d 4d 7c 3d a5 c8 94 91 51 46 f6 c3 33 15 20 c6 \|.M\|=....QF..3. .\|
		320+0 Datensätze ein
		320+0 Datensätze aus
		00000140
		320 Bytes (320 B) kopiert, 0,00166432 s, 192 kB/s

20160418/del

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		#!/bin/bash
		ls "$@"
		echo -n "Press ENTER to delete, ^C to abort."
		read junk
		rm "$@"

20160418/del-20160418.log

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+0 −20

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		cassini/home/peter/bo/2016ss/bs/20160418> touch 1.c 2.c 3.c
		cassini/home/peter/bo/2016ss/bs/20160418> del *.c
		1.c 2.c 3.c
		Press ENTER to delete, ^C to abort.
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l
		insgesamt 4
		-rwxr-xr-x 1 peter peter 84 Apr 18 11:39 del
		cassini/home/peter/bo/2016ss/bs/20160418> cat del
		#!/bin/bash
		ls "$@"
		echo -n "Press ENTER to delete, ^C to abort."
		read junk
		rm "$@"
		cassini/home/peter/bo/2016ss/bs/20160418> alias
		alias S='ls -lrS'
		alias dir='ls -l'
		alias ls='ls --color=tty'
		alias rm='rm -i'
		alias t='ls -lrt'
		alias vi='vim -X -c '\''set sw=2'\'' -c '\''set expandtab'\'' -c '\''set ai'\'' -c '\''set nowrap'\'''

20160418/delete

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		aetsch
		No newline at end of file

20160418/display-20160418-1.log

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+0 −2

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		display -geometry -0-0 -size 1024x768 xc:white
		convert -size 1024x768 xc:white white.png

20160418/find-20160418-1.log

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Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> find /home/peter/bo -name "20160418"
		/home/peter/bo/2016ss/bs/20160418
		/home/peter/bo/2016ss/bs/20160418/mount-20160418-4.log
		/home/peter/bo/2016ss/bs/20160418/git-20160418-1.log
		/home/peter/bo/2016ss/bs/20160418/dd-20160418.log
		/home/peter/bo/2016ss/bs/20160418/mount-20160418-3.log
		/home/peter/bo/2016ss/bs/20160418/display-20160418-1.log
		/home/peter/bo/2016ss/bs/20160418/grep-20160418-1.log
		/home/peter/bo/2016ss/bs/20160418/grep-20160418-2.log
		/home/peter/bo/2016ss/bs/20160418/git-20160418-2.log
		/home/peter/bo/2016ss/bs/20160418/grep-20160418-3.log
		/home/peter/bo/2016ss/bs/20160418/mount-20160418-1.log
		/home/peter/bo/2016ss/bs/20160418/mount-20160418-2.log
		/home/peter/bo/2016ss/bs/20160418/del-20160418.log
		/home/peter/bo/2016ss/bs/20160418/links-20160418-1.log
		cassini/home/peter/bo/2016ss/bs/20160418> find /home/peter/bo -name 20160418
		find: Der Pfad muß vor dem Suchkriterium stehen: del-20160418.log
		Aufruf: find [-H] [-L] [-P] [-Olevel] [-D help\|tree\|search\|stat\|rates\|opt\|exec] [Pfad...] [Suchkriterium]
		cassini/home/peter/bo/2016ss/bs/20160418> echo 20160418
		dd-20160418.log del-20160418.log display-20160418-1.log git-20160418-1.log git-20160418-2.log grep-20160418-1.log grep-20160418-2.log grep-20160418-3.log links-20160418-1.log mount-20160418-1.log mount-20160418-2.log mount-20160418-3.log mount-20160418-4.log

20160418/find-20160418-2.log

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		cassini/home/peter/bo/2016ss/bs/20160418> find . -perm /u+x
		.
		./aetsch
		./delete
		./del
		./bar
		./foo
		./foo/delete

20160418/find-20160418-3.log

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+0 −26

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		cassini/home/peter/bo/2016ss/bs/20160418> find . -type d
		.
		./foo
		cassini/home/peter/bo/2016ss/bs/20160418> find . -type l
		./delete
		./bar
		./foo/delete
		cassini/home/peter/bo/2016ss/bs/20160418> find . -type f
		./mount-20160418-4.log
		./git-20160418-1.log
		./dd-20160418.log
		./aetsch
		./mount-20160418-3.log
		./display-20160418-1.log
		./del
		./white.png
		./find-20160418-1.log
		./grep-20160418-1.log
		./find-20160418-2.log
		./grep-20160418-2.log
		./git-20160418-2.log
		./grep-20160418-3.log
		./mount-20160418-1.log
		./mount-20160418-2.log
		./del-20160418.log
		./links-20160418-1.log

20160418/foo/delete

deleted120000 → 0

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		delete
		No newline at end of file

20160418/for-20160418-1.log

deleted100644 → 0

+0 −47

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> for ((x = 0; x < 10; x++)); do echo $x; done
		0
		1
		2
		3
		4
		5
		6
		7
		8
		9
		cassini/home/peter/bo/2016ss/bs/20160418> for x in foo bar baz; do echo $x; done
		foo
		bar
		baz
		cassini/home/peter/bo/2016ss/bs/20160418> for x in 0 1 2 3 4 5 6 7 8 9; do echo $x; done
		0
		1
		2
		3
		4
		5
		6
		7
		8
		9
		cassini/home/peter/bo/2016ss/bs/20160418> seq 0 9
		0
		1
		2
		3
		4
		5
		6
		7
		8
		9
		cassini/home/peter/bo/2016ss/bs/20160418> for x in $(seq 0 9); do echo $x; done 0
		1
		2
		3
		4
		5
		6
		7
		8
		9

20160418/git-20160418-1.log

deleted100644 → 0

+0 −162

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> git status
		Auf Branch master
		Unbeobachtete Dateien:
		(benutzen Sie "git add <Datei>...", um die Änderungen zum Commit vorzumerken)

		./

		nichts zum Commit vorgemerkt, aber es gibt unbeobachtete Dateien (benutzen Sie "git add" zum Beobachten)
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l
		insgesamt 32
		-rw-r--r-- 1 peter peter 1772 Apr 18 12:12 dd-20160418.log
		-rwxr-xr-x 1 peter peter 84 Apr 18 11:39 del
		-rw-r--r-- 1 peter peter 647 Apr 18 11:45 del-20160418.log
		-rw-r--r-- 1 peter peter 216 Apr 18 11:56 grep-20160418-1.log
		-rw-r--r-- 1 peter peter 165 Apr 18 12:03 grep-20160418-2.log
		-rw-r--r-- 1 peter peter 357 Apr 18 12:05 grep-20160418-3.log
		-rw-r--r-- 1 peter peter 1120 Apr 18 12:16 mount-20160418-1.log
		-rw-r--r-- 1 peter peter 825 Apr 18 12:18 mount-20160418-2.log
		cassini/home/peter/bo/2016ss/bs/20160418> git add del
		cassini/home/peter/bo/2016ss/bs/20160418> git status
		Auf Branch master
		zum Commit vorgemerkte Änderungen:
		(benutzen Sie "git reset HEAD <Datei>..." zum Entfernen aus der Staging-Area)

		neue Datei: del

		Unbeobachtete Dateien:
		(benutzen Sie "git add <Datei>...", um die Änderungen zum Commit vorzumerken)

		dd-20160418.log
		del-20160418.log
		grep-20160418-1.log
		grep-20160418-2.log
		grep-20160418-3.log
		mount-20160418-1.log
		mount-20160418-2.log

		cassini/home/peter/bo/2016ss/bs/20160418> git add *.log
		cassini/home/peter/bo/2016ss/bs/20160418> git status
		Auf Branch master
		zum Commit vorgemerkte Änderungen:
		(benutzen Sie "git reset HEAD <Datei>..." zum Entfernen aus der Staging-Area)

		neue Datei: dd-20160418.log
		neue Datei: del
		neue Datei: del-20160418.log
		neue Datei: grep-20160418-1.log
		neue Datei: grep-20160418-2.log
		neue Datei: grep-20160418-3.log
		neue Datei: mount-20160418-1.log
		neue Datei: mount-20160418-2.log

		cassini/home/peter/bo/2016ss/bs/20160418> git commit

		"Screenshots" zu Unix-Befehlen, gleichzeitig Demo für Git ;-)
		# Bitte geben Sie eine Commit-Beschreibung für Ihre Änderungen ein. Zeilen,
		# die mit '#' beginnen, werden ignoriert, und eine leere Beschreibung
		# bricht den Commit ab.
		#
		# Commit-Ersteller: Peter Gerwinski <peter@cassini.intern>
		#
		# Auf Branch master
		# zum Commit vorgemerkte Änderungen:
		# neue Datei: dd-20160418.log
		# neue Datei: del
		# neue Datei: del-20160418.log
		# neue Datei: grep-20160418-1.log
		# neue Datei: grep-20160418-2.log
		# neue Datei: grep-20160418-3.log
		# neue Datei: mount-20160418-1.log
		# neue Datei: mount-20160418-2.log
		#
		~
		~
		~
		~
		~
		~
		~
		~
		~
		~
		~
		~
		~
		"~/bo/projekte/git/bs/.git/COMMIT_EDITMSG" 18L, 641C geschrieben
		[master e272887] "Screenshots" zu Unix-Befehlen, gleichzeitig Demo für Git ;-)
		Committer: Peter Gerwinski <peter@cassini.intern>
		Ihr Name und E-Mail Adresse wurden automatisch auf Basis
		Ihres Benutzer- und Rechnernamens konfiguriert. Bitte prüfen Sie, dass
		diese zutreffend sind. Sie können diese Meldung unterdrücken, indem Sie
		diese explizit setzen:

		git config --global user.name "Ihr Name"
		git config --global user.email ihre@emailadresse.de

		Nachdem Sie das getan hast, können Sie Ihre Identität für diesen Commit ändern mit:

		git commit --amend --reset-author

		8 files changed, 133 insertions(+)
		create mode 100644 20160418/dd-20160418.log
		create mode 100755 20160418/del
		create mode 100644 20160418/del-20160418.log
		create mode 100644 20160418/grep-20160418-1.log
		create mode 100644 20160418/grep-20160418-2.log
		create mode 100644 20160418/grep-20160418-3.log
		create mode 100644 20160418/mount-20160418-1.log
		create mode 100644 20160418/mount-20160418-2.log
		cassini/home/peter/bo/2016ss/bs/20160418>
		cassini/home/peter/bo/2016ss/bs/20160418> git log
		commit e2728872244103827a1c8d893b194b542171c67e
		Author: Peter Gerwinski <peter@cassini.intern>
		Date: Mon Apr 18 12:26:04 2016 +0200

		"Screenshots" zu Unix-Befehlen, gleichzeitig Demo für Git ;-)

		commit b657332540f84abc23a7a1d56f32129b3e888153
		Author: Peter Gerwinski <peter.gerwinski@hs-bochum.de>
		Date: Sun Apr 17 20:54:04 2016 +0200

		Sommersemester 2015 als Branch "2015ss" abgeschlossen
		Sommersemester 2016 neu eröffnet

		commit 1371eaed41e4ab38355c7e280f866cc629468162
		Author: Peter Gerwinski <peter.gerwinski@hs-bochum.de>
		Date: Sun Apr 17 20:33:58 2016 +0200

		Notizen, Screenshots und Tafelbilder zu der Lehrveranstaltung vom 15. Juni 2015

		commit 801dc167facc8229141f8dabc6bb82526023dbd3
		Author: Peter Gerwinski <peter.gerwinski@hs-bochum.de>
		Date: Sun Jun 14 23:42:46 2015 +0200

		Grafik und Speicherverwaltung

		commit d79358f91cc4340b71b7d4e83fa432e8c98a7b22
		Author: Peter Gerwinski <peter.gerwinski@hs-bochum.de>
		Date: Sun May 31 23:29:44 2015 +0200

		Notizen zu den Lehrveranstaltungen vom 11. und 18. Mai 2015

		cassini/home/peter/bo/2016ss/bs/20160418>
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l
		insgesamt 32
		-rw-r--r-- 1 peter peter 1772 Apr 18 12:12 dd-20160418.log
		-rwxr-xr-x 1 peter peter 84 Apr 18 11:39 del
		-rw-r--r-- 1 peter peter 647 Apr 18 11:45 del-20160418.log
		-rw-r--r-- 1 peter peter 216 Apr 18 11:56 grep-20160418-1.log
		-rw-r--r-- 1 peter peter 165 Apr 18 12:03 grep-20160418-2.log
		-rw-r--r-- 1 peter peter 357 Apr 18 12:05 grep-20160418-3.log
		-rw-r--r-- 1 peter peter 1120 Apr 18 12:16 mount-20160418-1.log
		-rw-r--r-- 1 peter peter 825 Apr 18 12:18 mount-20160418-2.log
		cassini/home/peter/bo/2016ss/bs/20160418> git push hs-bochum
		Enter passphrase for key '/home/peter/.ssh/id_dsa':
		Zähle Objekte: 11, Fertig.
		Delta compression using up to 4 threads.
		Komprimiere Objekte: 100% (11/11), Fertig.
		Schreibe Objekte: 100% (11/11), 2.85 KiB \| 0 bytes/s, Fertig.
		Total 11 (delta 1), reused 0 (delta 0)
		To git@gitlab.cvh-server.de:pgerwinski/bs.git
		b657332..e272887 master -> master

20160418/git-20160418-2.log

deleted100644 → 0

+0 −21

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> touch schrott wegdamit muell usw
		cassini/home/peter/bo/2016ss/bs/20160418> git clean -n
		Würde muell löschen
		Würde schrott löschen
		Würde usw löschen
		Würde wegdamit löschen
		cassini/home/peter/bo/2016ss/bs/20160418> git clean -f
		Lösche muell
		Lösche schrott
		Lösche usw
		Lösche wegdamit
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l
		insgesamt 32
		-rw-r--r-- 1 peter peter 1772 Apr 18 12:12 dd-20160418.log
		-rwxr-xr-x 1 peter peter 84 Apr 18 11:39 del
		-rw-r--r-- 1 peter peter 647 Apr 18 11:45 del-20160418.log
		-rw-r--r-- 1 peter peter 216 Apr 18 11:56 grep-20160418-1.log
		-rw-r--r-- 1 peter peter 165 Apr 18 12:03 grep-20160418-2.log
		-rw-r--r-- 1 peter peter 357 Apr 18 12:05 grep-20160418-3.log
		-rw-r--r-- 1 peter peter 1120 Apr 18 12:16 mount-20160418-1.log
		-rw-r--r-- 1 peter peter 825 Apr 18 12:18 mount-20160418-2.log

20160418/grep-20160418-1.log

deleted100644 → 0

+0 −12

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> grep Hallo
		Hallo?
		Hallo?
		Da ist jemand.
		Sag mal was.
		Hallo????
		Hallo????
		Also doch.
		Hmm...
		Sag doch noch mal "Hallo".
		Sag doch noch mal "Hallo".
		Hör auf, mich nachzuäffen!

20160418/grep-20160418-2.log

deleted100644 → 0

+0 −12

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> grep "ab\?c"
		ac
		ac
		abc
		abc
		axc
		cassini/home/peter/bo/2016ss/bs/20160418> grep "a$bcd$\?e"
		aerger
		aerger
		abcde
		abcde
		abde

20160418/grep-20160418-3.log

deleted100644 → 0

+0 −19

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> grep "ab.cd"
		abcd
		abxcd
		abxcd
		cassini/home/peter/bo/2016ss/bs/20160418> grep "ab.*cd"
		abcd
		abcd
		abPIUPOUIPUIÖJKLJKJcd
		abPIUPOUIPUIÖJKLJKJcd
		ab?(=(/%/&%=/=)(/=)/?=(cd
		ab?(=(/%/&%=/=)(/=)/?=(cd
		cassini/home/peter/bo/2016ss/bs/20160418> grep "ab*cd"
		abcd
		abcd
		acd
		acd
		abbbbbbbbbbbbcd
		abbbbbbbbbbbbcd
		abccccccccccccd

20160418/if-20160418-1.log

deleted100644 → 0

+0 −12

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> grep gefunden fehler.txt
		cat: gibtsnicht.txt: Datei oder Verzeichnis nicht gefunden
		cassini/home/peter/bo/2016ss/bs/20160418> grep przlllfmpf fehler.txt
		cassini/home/peter/bo/2016ss/bs/20160418> if grep przlllfmpf fehler.txt; then echo "Hurra!"; else echo "Schade."; fi
		Schade.
		cassini/home/peter/bo/2016ss/bs/20160418> if grep gefunden fehler.txt; then echo "Hurra!"; else echo "Schade."; fi
		cat: gibtsnicht.txt: Datei oder Verzeichnis nicht gefunden
		Hurra!
		cassini/home/peter/bo/2016ss/bs/20160418> if grep gefunden fehler.txt > /dev/null; then echo "Hurra!"; else echo "Schade."; fi
		Hurra!
		cassini/home/peter/bo/2016ss/bs/20160418> if grep przlllpfmpf fehler.txt > /dev/null; then echo "Hurra!"; else echo "Schade."; fi
		Schade.

20160418/links-20160418-1.log

deleted100644 → 0

+0 −29

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> ls -la foo
		insgesamt 8
		drwxr-xr-x 2 peter peter 4096 Apr 18 14:10 .
		drwxr-xr-x 3 peter peter 4096 Apr 18 14:18 ..
		lrwxrwxrwx 1 peter peter 6 Apr 18 14:10 delete -> delete
		cassini/home/peter/bo/2016ss/bs/20160418> ls -la
		insgesamt 76
		drwxr-xr-x 3 peter peter 4096 Apr 18 14:18 .
		drwxr-xr-x 6 peter peter 4096 Apr 18 11:37 ..
		-rwxr-xr-x 2 peter peter 84 Apr 18 11:39 aetsch
		-rw-r--r-- 1 peter peter 1772 Apr 18 12:12 dd-20160418.log
		-rwxr-xr-x 2 peter peter 84 Apr 18 11:39 del
		-rw-r--r-- 1 peter peter 647 Apr 18 11:45 del-20160418.log
		lrwxrwxrwx 1 peter peter 6 Apr 18 14:08 delete -> aetsch
		-rw-r--r-- 1 peter peter 89 Apr 18 14:16 display-20160418-1.log
		drwxr-xr-x 2 peter peter 4096 Apr 18 14:10 foo
		-rw-r--r-- 1 peter peter 5955 Apr 18 12:31 git-20160418-1.log
		-rw-r--r-- 1 peter peter 879 Apr 18 12:30 git-20160418-2.log
		-rw-r--r-- 1 peter peter 216 Apr 18 11:56 grep-20160418-1.log
		-rw-r--r-- 1 peter peter 165 Apr 18 12:03 grep-20160418-2.log
		-rw-r--r-- 1 peter peter 357 Apr 18 12:05 grep-20160418-3.log
		-rw-r--r-- 1 peter peter 1120 Apr 18 12:16 mount-20160418-1.log
		-rw-r--r-- 1 peter peter 825 Apr 18 12:18 mount-20160418-2.log
		-rw-r--r-- 1 peter peter 520 Apr 18 12:43 mount-20160418-3.log
		-rw-r--r-- 1 peter peter 1064 Apr 18 12:46 mount-20160418-4.log
		-rw-r--r-- 1 peter peter 657 Apr 18 14:15 white.png
		cassini/home/peter/bo/2016ss/bs/20160418> ln foo bar
		ln: „foo“: harte Verknüpfung für Verzeichnisse nicht erlaubt
		cassini/home/peter/bo/2016ss/bs/20160418> ln -s foo bar

20160418/mount-20160418-1.log

deleted100644 → 0

+0 −24

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l /media/
		insgesamt 12
		drwxr-xr-x 2 root root 4096 Dez 22 2012 cdrom
		lrwxrwxrwx 1 root root 4 Dez 22 2012 usb -> usb0
		drwxr-xr-x 2 root root 4096 Dez 22 2012 usb0
		drwxr-xr-x 2 root root 4096 Apr 14 14:16 usb1
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l /media/usb1/
		insgesamt 0
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l /media/usb1/
		insgesamt 0
		cassini/home/peter/bo/2016ss/bs/20160418> mount /media/usb1/
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l /media/usb1/
		insgesamt 32
		-rwxr-xr-x 1 peter peter 164 Apr 14 13:54 cat-1.log
		-rwxr-xr-x 1 peter peter 304 Apr 14 13:56 cat-2.log
		-rwxr-xr-x 1 peter peter 176 Apr 14 13:57 echo-1.log
		-rwxr-xr-x 1 peter peter 157 Apr 14 13:51 grep-1.log
		-rwxr-xr-x 1 peter peter 298 Apr 14 14:03 grep-2.log
		-rwxr-xr-x 1 peter peter 438 Apr 14 14:04 grep-3.log
		drwxr-xr-x 2 peter peter 4096 Apr 14 16:36 System Volume Information
		-rwxr-xr-x 1 peter peter 45 Apr 14 13:57 test.txt
		cassini/home/peter/bo/2016ss/bs/20160418> umount /media/usb1/
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l /media/usb1/
		insgesamt 0

20160418/mount-20160418-2.log

deleted100644 → 0

+0 −16

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> mount /media/usb1/
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l /media/usb1/
		insgesamt 0
		cassini/home/peter/bo/2016ss/bs/20160418> cp -p * /media/usb1/
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l /media/usb1/
		insgesamt 28
		-rwxr-xr-x 1 peter peter 1772 Apr 18 12:12 dd-20160418.log
		-rwxr-xr-x 1 peter peter 84 Apr 18 11:39 del
		-rwxr-xr-x 1 peter peter 647 Apr 18 11:45 del-20160418.log
		-rwxr-xr-x 1 peter peter 216 Apr 18 11:56 grep-20160418-1.log
		-rwxr-xr-x 1 peter peter 165 Apr 18 12:03 grep-20160418-2.log
		-rwxr-xr-x 1 peter peter 357 Apr 18 12:05 grep-20160418-3.log
		-rwxr-xr-x 1 peter peter 1120 Apr 18 12:16 mount-20160418-1.log
		cassini/home/peter/bo/2016ss/bs/20160418> umount /media/usb1/
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l /media/usb1/
		insgesamt 0

20160418/mount-20160418-3.log

deleted100644 → 0

+0 −9

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> mount /media/usb1/
		mount: special device /dev/sdb1 does not exist
		cassini/home/peter/bo/2016ss/bs/20160418> mount /media/usb0/
		cassini/home/peter/bo/2016ss/bs/20160418> ls -l /media/usb0/
		insgesamt 498560
		drwxr-xr-x 18 peter peter 32768 Jul 24 2008 freie-software
		-rwxr-xr-x 1 peter peter 510444578 Mär 26 2009 physik-20090326.tar.gz
		drwxr-xr-x 2 peter peter 32768 Apr 14 16:36 System Volume Information
		cassini/home/peter/bo/2016ss/bs/20160418> umount /media/usb0

20160418/mount-20160418-4.log

deleted100644 → 0

+0 −28

Original line number	Diff line number	Diff line
		cassini/root# fdisk -l /dev/sdb

		Disk /dev/sdb: 2 GiB, 2095577088 bytes, 1023231 sectors
		Units: sectors of 1 * 2048 = 2048 bytes
		Sector size (logical/physical): 2048 bytes / 2048 bytes
		I/O size (minimum/optimal): 2048 bytes / 2048 bytes
		Disklabel type: dos
		Disk identifier: 0x6f20736b

		Device Boot Start End Sectors Size Id Type
		/dev/sdb1 ? 778135908 1919645538 1141509631 2,1T 72 unknown
		/dev/sdb2 ? 168689522 2104717761 1936028240 3,6T 65 Novell Netware 386
		/dev/sdb3 ? 1869881465 3805909656 1936028192 3,6T 79 unknown
		/dev/sdb4 ? 0 3637226495 3637226496 6,8T d unknown

		Partition table entries are not in disk order.
		cassini/root# fdisk -l /dev/sdb

		Disk /dev/sdb: 3,9 GiB, 4188012544 bytes, 8179712 sectors
		Units: sectors of 1 * 512 = 512 bytes
		Sector size (logical/physical): 512 bytes / 512 bytes
		I/O size (minimum/optimal): 512 bytes / 512 bytes
		Disklabel type: dos
		Disk identifier: 0xc0d11b18

		Device Boot Start End Sectors Size Id Type
		/dev/sdb1 2048 8179711 8177664 3,9G b W95 FAT32

20160418/pipes-20160418-1.log

deleted100644 → 0

+0 −4

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> echo "Schlimmer geht nimmer." \| sed -e 's/nim/im/g' \| hexdump -C
		00000000 53 63 68 6c 69 6d 6d 65 72 20 67 65 68 74 20 69 \|Schlimmer geht i\|
		00000010 6d 6d 65 72 2e 0a \|mmer..\|
		00000016

20160418/pipes-20160418-2.log

deleted100644 → 0

+0 −2

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> echo "Schlimmer geht nimmer." ¦ sed -e 's/nim/im/g' ¦ hexdump -C
		Schlimmer geht nimmer. ¦ sed -e s/nim/im/g ¦ hexdump -C

20160418/pipes-20160418-3.log

deleted100644 → 0

+0 −5

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> echo '\|' \| hexdump -C 00000000 7c 0a \|\|.\|
		00000002
		cassini/home/peter/bo/2016ss/bs/20160418> echo '¦' \| hexdump -C
		00000000 c2 a6 0a \|...\|
		00000003

20160418/pipes-20160418-4.log

deleted100644 → 0

+0 −12

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> echo "Schlimmer geht nimmer." ¦ sed -e 's/nim/im/g' ¦ hexdump -C
		Schlimmer geht nimmer. ¦ sed -e s/nim/im/g ¦ hexdump -C
		cassini/home/peter/bo/2016ss/bs/20160418> echo "Schlimmer geht nimmer." \| sed -e 's/nim/im/g' \| hexdump -C
		00000000 53 63 68 6c 69 6d 6d 65 72 20 67 65 68 74 20 69 \|Schlimmer geht i\|
		00000010 6d 6d 65 72 2e 0a \|mmer..\|
		00000016
		cassini/home/peter/bo/2016ss/bs/20160418> echo "Schlimmer geht nimmer." ¦ sed -e 's/nim/im/g' ¦ hexdump -C \| hexdump -C
		00000000 53 63 68 6c 69 6d 6d 65 72 20 67 65 68 74 20 6e \|Schlimmer geht n\|
		00000010 69 6d 6d 65 72 2e 20 c2 a6 20 73 65 64 20 2d 65 \|immer. .. sed -e\|
		00000020 20 73 2f 6e 69 6d 2f 69 6d 2f 67 20 c2 a6 20 68 \| s/nim/im/g .. h\|
		00000030 65 78 64 75 6d 70 20 2d 43 0a \|exdump -C.\|
		0000003a

20160418/white.png

deleted100644 → 0

−657 B

657 B

20160404/Operating_system_placement-de.pdf→20250324/Operating_system_placement-de.pdf

+0 −0

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20250324/ausgabe-01.txt

0 → 100644

+8 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> echo "Hello, world!"
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> printf "Hello, world!"
		Hello, world!cassini/home/peter/bo/2025ss/bs/20250324> printf "Hello, world!\n"
		bash: !\n: event not found
		cassini/home/peter/bo/2025ss/bs/20250324> printf 'Hello, world!\n'
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/ausgabe-02.txt

0 → 100644

+7 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> printf 'Hello, world!\n'
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> printf 'The answer is %d.\n' 42
		The answer is 42.
		cassini/home/peter/bo/2025ss/bs/20250324> printf 'The answer is %04d.\n' 137
		The answer is 0137.
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/ausgabe-03.txt

0 → 100644

+8 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> hello="Hello, world!"
		cassini/home/peter/bo/2025ss/bs/20250324> echo $hello
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> echo "$hello"
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> echo '$hello'
		$hello
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/ausrufezeichen-01.txt

0 → 100644

+13 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> !!
		cat >> ausgabe-01.txt
		^C
		cassini/home/peter/bo/2025ss/bs/20250324> echo "Hello, world!"
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> !!
		echo "Hello, world!"
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> !\
		bash: !\: event not found
		cassini/home/peter/bo/2025ss/bs/20250324> \!
		bash: !: Kommando nicht gefunden.
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/ausrufezeichen-02.txt

0 → 100644

+30 −0

Original line number	Diff line number	Diff line
		aus "man bash":
		When the command history expansion facilities are being used (see HISTORY EXPANSION
		below), the history expansion character, usually !, must be quoted to prevent his‐
		tory expansion.

		cassini/home/peter/bo/2025ss/bs/20250324> !2
		bash: !2: event not found
		cassini/home/peter/bo/2025ss/bs/20250324> !ls
		ls -lrt
		insgesamt 420
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 5853 24. Mär 14:22 unix-baukasten-01.txt
		-rw-r--r-- 1 peter peter 8626 24. Mär 14:24 unix-optionen-01.txt
		-rw-r--r-- 1 peter peter 372 24. Mär 14:25 ausgabe-01.txt
		-rw-r--r-- 1 peter peter 419 24. Mär 14:28 ausrufezeichen-01.txt

20250324/bs-20250324.pdf

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20160404/bs-20160404.tex→20250324/bs-20250324.tex

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20250324/hello-01.sh

0 → 100755

+5 −0

Original line number	Diff line number	Diff line
		#!/bin/bash

		echo -n "Name: "
		read name
		echo Hallo $name

20250324/hello-02.sh

0 → 100755

+5 −0

Original line number	Diff line number	Diff line
		#!/bin/bash

		echo -n "Name: "
		read name
		echo Hallo "$name"

20250324/logo-hochschule-bochum-cvh-text-v3.pdf

0 → 120000

+1 −0

Original line number	Diff line number	Diff line
		../common/logo-hochschule-bochum-cvh-text-v3.pdf
		No newline at end of file

20250324/logo-hochschule-bochum-de-narrow.pdf

0 → 120000

+1 −0

Original line number	Diff line number	Diff line
		../common/logo-hochschule-bochum-de-narrow.pdf
		No newline at end of file

20250324/ls

0 → 100755

+4 −0

Original line number	Diff line number	Diff line
		#!/bin/bash

		echo "SCHLIMME DINGE"
		/bin/ls "$@"

20250324/mic

0 → 100755

+64 −0

Original line number	Diff line number	Diff line
		#!/bin/sh

		# Copyright (C) 2024 Peter Gerwinski <peter.gerwinski@hs-bochum.de>
		# License: CC0 ("Do with this whatever you want, but don't blame me.")

		player="aplay -q"

		signal_file_mic_off=$HOME/usr/share/mic/mic-off.wav
		signal_file_mic_on=$HOME/usr/share/mic/mic-on.wav
		icon_file_mic_off=$HOME/usr/share/mic/mic-off.png
		icon_file_mic_on=$HOME/usr/share/mic/mic-on.png
		icon_position="-375+20"
		icon_viewer="xmic"

		cmd="$1"

		if [ "$cmd" = "toggle" ]; then

		onoff=$(amixer sget Capture \| tail -1 \| grep -o "\[on\]\\|\[off\]")
		if [ "$onoff" = "[on]" ]; then
		cmd="off"
		else
		cmd="on"
		fi

		fi

		if [ "$cmd" = "off" ]; then

		for source in $(pacmd list-sources \| grep index \| egrep -o "[0-9]+"); do
		pactl set-source-mute $source 1
		done

		dbus-send --print-reply --session --type=method_call \
		--dest=net.sourceforge.mumble.mumble / \
		net.sourceforge.mumble.Mumble.setSelfMuted boolean:true \
		> /dev/null 2>&1

		killall "$icon_viewer" \|\| true
		"$icon_viewer" -display :1 -geometry "$icon_position" -f "$icon_file_mic_off" &

		$player "$signal_file_mic_off"

		elif [ "$cmd" = "on" ]; then

		for source in $(pacmd list-sources \| grep index \| egrep -o "[0-9]+"); do
		pactl set-source-mute $source 0
		done

		dbus-send --print-reply --session --type=method_call \
		--dest=net.sourceforge.mumble.mumble / \
		net.sourceforge.mumble.Mumble.setSelfMuted boolean:false \
		> /dev/null 2>&1

		killall "$icon_viewer" \|\| true
		"$icon_viewer" -display :1 -geometry "$icon_position" -f "$icon_file_mic_on" &

		$player "$signal_file_mic_on"

		else

		echo "usage: $0 on / off / toggle"

		fi

20250324/path-01.txt

0 → 100644

+45 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> cat ls
		cassini/home/peter/bo/2025ss/bs/20250324> ls -l ls
		SCHLIMME DINGE
		-rwxr-xr-x 1 peter peter 48 24. Mär 15:19 ls
		cassini/home/peter/bo/2025ss/bs/20250324> cat ls
		#!/bin/bash

		echo "SCHLIMME DINGE"
		/bin/ls "$@"
		cassini/home/peter/bo/2025ss/bs/20250324> ls -l
		SCHLIMME DINGE
		insgesamt 472
		-rw-r--r-- 1 peter peter 372 24. Mär 14:25 ausgabe-01.txt
		-rw-r--r-- 1 peter peter 312 24. Mär 14:33 ausgabe-02.txt
		-rw-r--r-- 1 peter peter 307 24. Mär 14:34 ausgabe-03.txt
		-rw-r--r-- 1 peter peter 419 24. Mär 14:30 ausrufezeichen-01.txt
		-rw-r--r-- 1 peter peter 1913 24. Mär 14:31 ausrufezeichen-02.txt
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		-rwxr-xr-x 1 peter peter 57 24. Mär 14:55 hello-01.sh
		-rwxr-xr-x 1 peter peter 59 24. Mär 15:01 hello-02.sh
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		-rwxr-xr-x 1 peter peter 48 24. Mär 15:19 ls
		-rwxr-xr-x 1 peter peter 1649 15. Mai 2024 mic
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		-rw-r--r-- 1 peter peter 1108 24. Mär 14:41 shell-scripts-01.txt
		-rw-r--r-- 1 peter peter 6806 24. Mär 15:07 unix-20250324.aux
		-rw-r--r-- 1 peter peter 58120 24. Mär 15:07 unix-20250324.log
		-rw-r--r-- 1 peter peter 4242 24. Mär 15:07 unix-20250324.nav
		-rw-r--r-- 1 peter peter 1200 24. Mär 15:07 unix-20250324.out
		-rw-r--r-- 1 peter peter 128990 24. Mär 15:07 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 0 24. Mär 15:07 unix-20250324.snm
		-rw-r--r-- 1 peter peter 19505 24. Mär 15:07 unix-20250324.tex
		-rw-r--r-- 1 peter peter 589 24. Mär 15:07 unix-20250324.toc
		-rw-r--r-- 1 peter peter 272 24. Mär 15:07 unix-20250324.vrb
		-rw-r--r-- 1 peter peter 5853 24. Mär 14:22 unix-baukasten-01.txt
		-rw-r--r-- 1 peter peter 8626 24. Mär 14:24 unix-optionen-01.txt
		-rw-r--r-- 1 peter peter 2024 24. Mär 14:35 variables-01.txt
		-rw-r--r-- 1 peter peter 2831 24. Mär 14:52 wildcards-01.txt
		-rw-r--r-- 1 peter peter 664 24. Mär 14:52 wildcards-02.txt
		-rw-r--r-- 1 peter peter 5393 24. Mär 14:57 wildcards-03.txt
		cassini/home/peter/bo/2025ss/bs/20250324>

20160404/pgslides.sty→20250324/pgslides.sty

+0 −0

File moved.

20250324/shell-scripts-01.txt

0 → 100644

+43 −0

Original line number	Diff line number	Diff line
		cassini/home/peter> dark matter
		2nd-order gravity
		cassini/home/peter> cat $(which dark)
		#!/bin/sh

		if [ "$1" = "matter" ]; then
		echo "2nd-order gravity"
		shift
		fi

		b_fore=$(b)

		b ${1:-0}
		feh $HOME/Pictures/black.png
		sleep 0.1
		b $b_fore
		cassini/home/peter> cat $(which b)
		#!/bin/bash

		if [ -n "$1" ]; then
		if [ "$1" = "-x" -o "$1" = "x" ]; then
		shift
		b=${1:-100}
		brightness=$(echo "0.01 * $b * 65535" \| bc -l)
		gamma=$(echo "0.25 + 0.75 * (0.01 * $b)^2" \| bc -l)
		echo xbrightness $brightness $gamma
		xbrightness $brightness $gamma
		elif [ "$1" = "-y" -o "$1" = "y" ]; then
		shift
		b=${1:-100}
		brightness=$(echo "0.01 * $b * 65535" \| bc -l)
		echo xbrightness $brightness
		xbrightness $brightness $gamma
		else
		echo $1 > /sys/class/backlight/intel_backlight/brightness
		fi
		else
		cat /sys/class/backlight/intel_backlight/brightness
		fi
		cassini/home/peter> echo 0 > /sys/class/backlight/intel_backlight/brightness
		cassini/home/peter> echo 384 > /sys/class/backlight/intel_backlight/brightness
		cassini/home/peter> feh $HOME/Pictures/black.png
		cassini/home/peter>

20250324/unix-20250324.pdf

0 → 100644

+126 KiB

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20160411/unix-20160411.tex→20250324/unix-20250324.tex

+129 −124

Original line number	Diff line number	Diff line
		% unix-20160411.pdf - Lecture Slides on Unix Fundamentals
		% Copyright (C) 2013, 2015, 2016 Peter Gerwinski
		% unix-20250324.pdf - Lecture Slides on Unix Fundamentals
		% Copyright (C) 2013, 2015-2018, 2021-2024, 2025 Peter Gerwinski
		%
		% This document is free software: you can redistribute it and/or
		% modify it either under the terms of the Creative Commons
		@@ -25,56 +25,46 @@
		\usepackage{pgslides}
		\usepackage{rotating}
		\usepackage{pdftricks}
		\usepackage[obeyfamily=false,mathrm=mathsf,textrm=sffamily]{siunitx}
		% \usepackage[obeyfamily=false,mathrm=mathsf,textrm=sffamily]{siunitx}
		\usepackage{eurosym}

		\begin{psinputs}
		\usepackage[latin1]{inputenc}
		\usepackage[german]{babel}
		\usepackage[T1]{fontenc}
		\usepackage{helvet}
		\renewcommand*\familydefault{\sfdefault}
		\usepackage{pstricks}
		\psset{unit=1cm}
		\end{psinputs}

		\title{Einfhrung in Unix}
		\author{Prof.\ Dr.\ Peter Gerwinski}
		\date{11.\ April 2016}
		\title{Einführung in Unix}
		\author{Prof.\ Dr.\ rer.\ nat.\ Peter Gerwinski}
		\date{24.\ März 2024}

		\begin{document}

		\newlength{\normalpdfpageheight}
		\setlength{\normalpdfpageheight}{\pdfpageheight}

		\maketitleframe

		\sectionnonumber{U\quad Einführung in Unix}

		\begin{frame}

		\begingroup
		\large\color{structure}%
		\textbf{Angewandte Informatik: wichtiges Werkzeug}
		\par\smallskip
		\textbf{Grundlagen Rechnertechnik: Beispiel fr Skriptsprache}
		\par\bigskip
		\endgroup
		\showsectionnonumber

		\begin{itemize}
		\item[\textbf{U}] \textbf{Einfhrung in Unix}
		% \begingroup
		% \large\color{structure}%
		% \textbf{Angewandte Informatik: wichtiges Werkzeug}
		% \par\smallskip
		% \textbf{Grundlagen Rechnertechnik: Beispiel für Skriptsprache}
		% \par\bigskip
		% \endgroup

		% \begin{itemize}
		% \item[\textbf{U}] \textbf{Einführung in Unix}
		\begin{itemize}
		\item[U.1] \color{red}Grundkonzepte
		\item[U.2] Die Kommandozeile: Grundlagen
		\item[U.3] Dateisysteme
		\item[U.4] Ein- und Ausgabestrme
		\item[U.4] Ein- und Ausgabeströme
		\item[U.5] Pipes
		\item[U.6] Verzweigungen und Schleifen
		\item[\dots]
		\end{itemize}
		% \item[\dots]
		\end{itemize}
		% \end{itemize}

		\end{frame}

		\sectionnonumber{U\quad Einfhrung in Unix}
		\subsectionnonumber{U.1\quad Grundkonzepte}

		\begin{frame}
		@@ -88,14 +78,14 @@
		\begin{description}
		\addtolength{\leftskip}{-1cm}
		\item[1965]
		Vorgnger: Multics (Multiplexed Information and Computing Service)\\
		"`berladen"'
		Vorgänger: Multics (Multiplexed Information and Computing Service)\\
		"`überladen"'
		\item[1970]
		Unix: Einfachheit als Grundkonzept
		\item[1972]
		Umstellung auf neu entwickelte Programmiersprache C
		\item[1975]
		AT\&T: Unix inkl.\ Quelltext fr Universitten
		AT\&T: Unix inkl.\ Quelltext für Universitäten
		\item[1977]
		Berkeley Software Distribution (BSD)
		\item[1983]
		@@ -109,7 +99,7 @@
		\item[1994]
		OpenBSD
		\item[2000]
		Darwin (Mac OS X, BSD-basiert)
		Darwin (Mac OS X, Mach-Kernel, BSD-User-Space)
		\item[2008]
		Android (Linux-basiert)
		\end{description}
		@@ -124,13 +114,14 @@
		\showsubsectionnonumber

		Unix und C: Einfachheit als Grundkonzept
		\vspace{-\bigskipamount}
		% \vspace{-\bigskipamount}
		\begin{itemize}
		\item
		Vermeiden von Ausnahmen
		\item[\color{lightgray}$\bullet$]
		\color{lightgray}Baukastensystem
		\end{itemize}
		\medskip
		\end{minipage}\hspace*{0.5cm}%
		\begin{minipage}[b]{5cm}
		C: Hauptprogramm\\
		@@ -151,16 +142,16 @@
		\bigskip
		\bigskip

		Unix: bergeordnetes Verzeichnis = "`normales"' Verzeichnis
		Unix: übergeordnetes Verzeichnis = "`normales"' Verzeichnis

		\medskip

		\begin{lstlisting}[style=terminal]
		cassini/home/peter/foo> ls -la
		cassini/home/peter/foo> ¡ls -la¿
		insgesamt 24
		drwxr-xr-x 2 peter peter 4096 Okt 6 13:30 .
		drwxr-xr-x 172 peter peter 20480 Okt 6 13:30 ..
		cassini/home/peter/foo> cd ..
		cassini/home/peter/foo> ¡cd ..¿
		cassini/home/peter>
		\end{lstlisting}

		@@ -174,7 +165,7 @@
		\showsubsectionnonumber

		Unix und C: Einfachheit als Grundkonzept
		\vspace{-\bigskipamount}
		% \vspace{-\bigskipamount}
		\begin{itemize}
		\item
		Vermeiden von Ausnahmen
		@@ -209,8 +200,8 @@
		\begingroup\small

		\begin{lstlisting}[style=terminal]
		cassini/home/peter/bo> find . -name "klausur.tex" \
		\| grep -v "fig" \| less
		cassini/home/peter/bo> ¡find . -name "klausur.tex" \
		\| grep -v "fig" \| less¿
		./2013ss/net/script/slides/net-probeklausur-20120712.tex
		./2013ss/net/20130924.0/net-klausur-20130924.tex
		./2011ws/rarch/20120322.0/rarch-klausur-20120322.tex
		@@ -242,16 +233,20 @@
		Text schreiben: \lstinline[style=cmd]{echo "Hello, world!"}
		\item
		(String-)Variable setzen: \lstinline[style=cmd]{FOO=bar}
		\item
		Variable einlesen: \lstinline[style=cmd]{read FOO}
		\item
		Variable abrufen: \lstinline[style=cmd]{echo $FOO}
		\item
		Aus Sicherheitsgründen: \lstinline[style=cmd]{echo "$FOO"}
		\end{itemize}

		\pause
		\begin{lstlisting}[style=terminal]
		cassini/home/peter/bo> FOO=ls
		cassini/home/peter/bo> echo $FOO
		cassini/home/peter/bo> ¡FOO=ls¿
		cassini/home/peter/bo> ¡echo "$FOO"¿
		ls
		cassini/home/peter/bo> $FOO
		cassini/home/peter/bo> ¡$FOO¿
		2011ws 2012ws 2013ws doc misc projekte
		2012ss 2013ss briefe material orga
		cassini/home/peter/bo>
		@@ -265,15 +260,15 @@

		\begin{itemize}
		\item
		Befehl zurckholen: Pfeiltasten $\uparrow$, $\downarrow$
		Befehl zurückholen: Pfeiltasten $\uparrow$, $\downarrow$
		\item
		Befehl bearbeiten: Pfeiltasten $\leftarrow$, $\rightarrow$ usw.
		\item
		Befehl vervollstndigen: TAB
		Befehl vervollständigen: TAB
		\item
		Befehl rckwrts suchen: Ctrl+R
		Befehl rückwärts suchen: Ctrl+R
		\item
		Bildschirm lschen: Ctrl+L
		Bildschirm löschen: Ctrl+L
		\item
		Befehl abbrechen: Ctrl+C
		\bigskip
		@@ -293,7 +288,7 @@

		\begin{itemize}
		\item
		Verzeichnisse fr Programme: \lstinline[style=cmd]{echo $PATH}
		Verzeichnisse für Programme: \lstinline[style=cmd]{echo $PATH}
		\item
		Programm in explizitem Verzeichnis aufrufen: \lstinline[style=cmd]{/bin/ls -l}
		\item
		@@ -302,12 +297,12 @@

		\addtolength{\leftskip}{1cm}
		\item[MS-DOS:]
		Ausfhrbare Programme werden gefunden,\\
		Ausführbare Programme werden gefunden,\\
		wenn sie im \lstinline[style=terminal]{PATH} stehen\\
		\emph{oder\/} sich im aktuellen Verzeichnis befinden.
		\smallskip
		\item[Unix:]
		Ausfhrbare Programme werden gefunden,\\
		Ausführbare Programme werden gefunden,\\
		wenn sie im \lstinline[style=terminal]{PATH} stehen.

		\smallskip
		@@ -317,8 +312,8 @@
		\smallskip
		Das aktuelle Verzeichnis (\lstinline[style=terminal]{.})
		\emph{kann\/} im \lstinline[style=terminal]{PATH} stehen,\\
		mu dies aber nicht\only<2>{ --\\
		und sollte es aus Sicherheitsgrnden auch nicht}.
		muß dies aber nicht\only<2>{ --\\
		und sollte es aus Sicherheitsgründen auch nicht}.

		\end{itemize}

		@@ -334,7 +329,7 @@
		\item
		Dateien listen: \lstinline[style=cmd]{ls}\\
		langes Listenformat: \lstinline[style=cmd]{ls -l}\\
		rckwrts nach Zeit sortiert: \lstinline[style=cmd]{ls -lrt}
		rückwärts nach Zeit sortiert: \lstinline[style=cmd]{ls -lrt}
		\item
		Datei ausgeben: \lstinline[style=cmd]{cat hello.c}
		\item
		@@ -354,20 +349,20 @@
		Arbeitsverzeichnis wechseln: \lstinline[style=cmd]{cd script}\\
		(\emph{kein\/} Programm, sondern Shell-Befehl)
		\item
		bergeordnetes Verzeichnis: \lstinline[style=cmd]{cd ..}
		übergeordnetes Verzeichnis: \lstinline[style=cmd]{cd ..}
		\item
		eigenes \newterm{Home-\/}Verzeichnis: \lstinline[style=cmd]{cd}
		\item
		Wurzelverzeichnis: \lstinline[style=cmd]{cd /}
		\item
		wieder zurck: \lstinline[style=cmd]{cd -}
		wieder zurück: \lstinline[style=cmd]{cd -}
		\end{itemize}

		\pause
		\begin{lstlisting}[style=terminal]
		cassini/home/peter/bo/2013ss/net/script> cd /usr/bin
		cassini/usr/bin> cd ../lib
		cassini/usr/lib> cd
		cassini/home/peter/bo/2013ss/net/script> ¡cd /usr/bin¿
		cassini/usr/bin> ¡cd ../lib¿
		cassini/usr/lib> ¡cd¿
		cassini/home/peter>
		\end{lstlisting}

		@@ -383,18 +378,18 @@
		\item
		Dateien verschieben/umbenennen (\emph{move\/}): \lstinline[style=cmd]{mv}
		\item
		Dateien lschen (\emph{remove\/}): \lstinline[style=cmd]{rm}
		Dateien löschen (\emph{remove\/}): \lstinline[style=cmd]{rm}
		\end{itemize}

		\begin{lstlisting}[style=terminal,xleftmargin=-3pt]
		cassini/home/peter> cp -p foo/test.txt
		cassini/home/peter> ¡cp -p foo/test.txt¿
		cp: missing destination file operand after `foo/test.txt'
		Try `cp --help' for more information.
		cassini/home/peter> cp -p foo/test.txt .
		cassini/home/peter> mv test.txt bla.txt
		cassini/home/peter> cat bla.txt
		cassini/home/peter> ¡cp -p foo/test.txt .¿
		cassini/home/peter> ¡mv test.txt bla.txt¿
		cassini/home/peter> ¡cat bla.txt¿
		Dies ist ein Test.
		cassini/home/peter> rm bla.txt
		cassini/home/peter> ¡rm bla.txt¿
		cassini/home/peter>
		\end{lstlisting}

		@@ -413,7 +408,7 @@
		\lstinline[style=cmd]{grep}: Dateien durchsuchen
		\end{itemize}
		\begin{lstlisting}[style=terminal,xleftmargin=-3pt]
		cassini/.../ainf/20131031.0> grep printf *.c
		cassini/.../ainf/20131031.0> ¡grep printf *.c¿
		philosophy.c: printf ("The answer is %d.\n", answer ());
		\end{lstlisting}

		@@ -425,16 +420,16 @@

		\begin{itemize}
		\item
		Datentrger in Verzeichnis \newterm{einhngen\/}: \lstinline[style=cmd]{mount}
		Datenträger in Verzeichnis \newterm{einhängen\/}: \lstinline[style=cmd]{mount}
		\end{itemize}

		\begin{lstlisting}[style=terminal]
		cassini/home/peter> ls /media/sd-card/
		cassini/home/peter> mount /media/sd-card
		cassini/home/peter> ls /media/sd-card/
		cassini/home/peter> ¡ls /media/sd-card/¿
		cassini/home/peter> ¡mount /media/sd-card¿
		cassini/home/peter> ¡ls /media/sd-card/¿
		DCIM NIKON001.DSC
		cassini/home/peter> umount /media/sd-card
		cassini/home/peter> ls /media/sd-card/
		cassini/home/peter> ¡umount /media/sd-card¿
		cassini/home/peter> ¡ls /media/sd-card/¿
		cassini/home/peter>
		\end{lstlisting}

		@@ -452,9 +447,9 @@
		\begingroup
		\small
		\begin{lstlisting}[style=terminal,gobble=6,xleftmargin=-3pt]
		phoenix/home/peter/bo/2013ws/ainf/20131031.0> ls -l
		phoenix/home/peter/bo/2013ws/ainf/20131031.0> ¡ls -l¿
		...
		-rw-r--r-- 1 peter peter 1539 Nov 29 2012 orbit-x1.c
		-rw-r--r-- 1 peter peter 1539 Nov 29 2012 pruzzel-1.c
		\end{lstlisting}
		\endgroup
		\begin{onlyenv}<2>
		@@ -477,7 +472,7 @@
		\begin{picture}(0,1)
		\color{red}
		\put(1.37,0){\vector(0,1){1.0}}
		\put(0,-0.1){\makebox(0,0)[tl]{alle anderen (o -- \emph{other\/}) drfen lesen}}
		\put(0,-0.1){\makebox(0,0)[tl]{alle anderen (o -- \emph{other\/}) dürfen lesen}}
		\end{picture}
		\end{onlyenv}

		@@ -485,15 +480,15 @@
		\pause[5]
		\begin{itemize}
		\item
		Zugriffsrechte ndern:\\
		\lstinline[style=cmd]{chmod o-r orbit-1x.c} -- Lesezugriff entziehen\\
		\lstinline[style=cmd]{chmod g+w orbit-1x.c} -- Schreibzugriff gewhren\\
		\lstinline[style=cmd]{chmod 640 orbit-1x.c} -- auf \lstinline[style=terminal]{-rw-r-----} setzen
		Zugriffsrechte ändern:\\
		\lstinline[style=cmd]{chmod o-r pruzzel-1.c} -- Lesezugriff entziehen\\
		\lstinline[style=cmd]{chmod g+w pruzzel-1.c} -- Schreibzugriff gewähren\\
		\lstinline[style=cmd]{chmod 640 pruzzel-1.c} -- auf \lstinline[style=terminal]{-rw-r-----} setzen
		\end{itemize}
		\pause
		\begin{picture}(0,0)
		\color{red}
		\put(6.25,0.5){\makebox(0,0)[tl]{%
		\put(6.275,0.5){\makebox(0,0)[tl]{%
		\begin{math}%
		\underbrace{\rule{0.7em}{0pt}}_{\textstyle 6}%
		\underbrace{\rule{0.7em}{0pt}}_{\textstyle 4}%
		@@ -509,18 +504,18 @@

		\begin{itemize}
		\item
		\newterm{ausfhrbare\/} Dateien
		\newterm{ausführbare\/} Dateien
		\end{itemize}

		\begingroup
		\small
		\begin{lstlisting}[style=terminal,gobble=6,xleftmargin=-3pt]
		cassini/home/peter/bo/2013ws/systech/20131008.0> cat test
		cassini/home/peter/bo/2013ws/systech/20131008.0> ¡cat test¿
		ls -l systech-20131008.*
		cassini/home/peter/bo/2013ws/systech/20131008.0> chmod +x test
		cassini/home/peter/bo/2013ws/systech/20131008.0> ls -l test
		cassini/home/peter/bo/2013ws/systech/20131008.0> ¡chmod +x test¿
		cassini/home/peter/bo/2013ws/systech/20131008.0> ¡ls -l test¿
		-rwxr-xr-x 1 peter peter 25 Okt 6 16:45 test
		cassini/home/peter/bo/2013ws/systech/20131008.0> ./test
		cassini/home/peter/bo/2013ws/systech/20131008.0> ¡./test¿
		-rw-r--r-- 1 peter peter 4120 Okt 6 16:44 systech-20131008.aux
		...
		\end{lstlisting}
		@@ -529,16 +524,16 @@
		\pause
		\begin{itemize}
		\item
		ausfhrbare Textdateien: \newterm{Skripte}
		ausführbare Textdateien: \newterm{Skripte}

		\pause
		\smallskip
		hier: ausfhrbare Textdatei mit Shell-Befehlen\\
		hier: ausführbare Textdatei mit Shell-Befehlen\\
		(ohne spezielle Kennung): Shell-Skript

		\pause
		\smallskip
		Kennung: 1.\ Zeile enthlt \lstinline[style=terminal]{#!} und den Interpreter,\\
		Kennung: 1.\ Zeile enthält \lstinline[style=terminal]{#!} und den Interpreter,\\
		z.\,B.\ \lstinline[style=terminal]{#!/bin/bash}\\
		\end{itemize}

		@@ -550,16 +545,16 @@

		\begin{itemize}
		\item
		\newterm{Symbolische Verknpfungen -- symbolic links}
		\newterm{Symbolische Verknüpfungen -- symbolic links}

		\smallskip

		Verweis auf die eigentliche Datei\\
		\textarrow\ Wenn man die Datei lscht, zeigt der Link ins Leere.
		\textarrow\ Wenn man die Datei löscht, zeigt der Link ins Leere.

		\smallskip

		Verknpfung anlegen: \lstinline[style=cmd]{ln -s datei link}\\
		Verknüpfung anlegen: \lstinline[style=cmd]{ln -s datei link}\\
		(Richtung: wie bei \lstinline[style=cmd]{cp})

		\smallskip
		@@ -567,17 +562,27 @@
		Beispiel: \lstinline[style=cmd]{ln -s opengel-magic-double.c opengl-magic.c}
		\medskip
		\item
		\newterm{Harte Verknpfungen -- hard links}
		\newterm{Harte Verknüpfungen -- hard links}

		\smallskip

		Dieselben Daten auf dem Datenträger\\
		sind unter mehreren Namen verfügbar.\\
		\textarrow\ Wenn man einen löscht, sind die Daten noch da.

		\smallskip

		Dieselben Daten auf dem Datentrger\\
		sind unter mehreren Namen verfgbar.\\
		\textarrow\ Wenn man einen lscht, sind die Daten noch da.
		Anwendungsbeispiel: Snapshot-Backup

		\smallskip

		(aus Anwendersicht eher selten, daher hier nicht ausfhrlich)
		Bei Verzeichnissen: \newterm{hard links\/} halten die Verzeichnisstruktur zusammen
		\begin{itemize}
		\item eigentlicher Name
		\item \lstinline{.} von sich selbst aus
		\item \lstinline{..} von Unterverzeichnissen aus
		\end{itemize}

		\end{itemize}

		\end{frame}
		@@ -593,24 +598,24 @@

		\small
		\begin{lstlisting}[style=terminal,xleftmargin=-7pt]
		$ find . -name "orbit-x"
		$ ¡find . -name "orbit-x"¿
		./20131031.0/orbit-x.c
		./20131031.0/orbit-x1.c
		./20131031.0/orbit-x
		./20131107.0/orbit-x.c
		./20131107.0/orbit-x1.c
		./20131107.0/orbit-x
		$ find . -name "orbit-x" -perm /u+x
		$ ¡find . -name "orbit-x" -perm /u+x¿
		./20131031.0/orbit-x
		./20131107.0/orbit-x
		$ find . -name "orbit-x" -perm /u+x -exec ls -l {} \;
		$ ¡find . -name "orbit-x" -perm /u+x -exec ls -l {} \;¿
		-rwxr-xr-x 1 peter peter 15831 Okt 31 13:19 ./20131031.0/orbit-x
		-rwxr-xr-x 1 peter peter 15831 Okt 31 13:19 ./20131107.0/orbit-x
		\end{lstlisting}

		\end{frame}

		\subsectionnonumber{U.4\quad Ein- und Ausgabestrme}
		\subsectionnonumber{U.4\quad Ein- und Ausgabeströme}

		\begin{frame}[fragile]

		@@ -621,8 +626,8 @@
		Standard-Ausgabe in Datei umleiten
		\end{itemize}
		\begin{lstlisting}[style=terminal]
		$ echo "Dies ist ein Test." > test.txt
		$ cat test.txt
		$ ¡echo "Dies ist ein Test." > test.txt¿
		$ ¡cat test.txt¿
		Dies ist ein Test.
		\end{lstlisting}

		@@ -631,11 +636,11 @@

		\begin{itemize}
		\item
		Standard-Ausgabe an Datei anhngen
		Standard-Ausgabe an Datei anhängen
		\end{itemize}
		\begin{lstlisting}[style=terminal]
		$ echo "Dies ist noch ein Test." >> test.txt
		$ cat test.txt
		$ ¡echo "Dies ist noch ein Test." >> test.txt¿
		$ ¡cat test.txt¿
		Dies ist ein Test.
		Dies ist noch ein Test.
		\end{lstlisting}
		@@ -651,11 +656,11 @@
		Fehler-Ausgabe in Datei umleiten
		\end{itemize}
		\begin{lstlisting}[style=terminal]
		$ cat gibtsnicht.txt > fehler.txt
		$ ¡cat gibtsnicht.txt > fehler.txt¿
		cat: gibtsnicht.txt: No such file or directory
		$ cat fehler.txt
		$ cat gibtsnicht.txt 2> fehler.txt
		$ cat fehler.txt
		$ ¡cat fehler.txt¿
		$ ¡cat gibtsnicht.txt 2> fehler.txt¿
		$ ¡cat fehler.txt¿
		cat: gibtsnicht.txt: No such file or directory
		\end{lstlisting}

		@@ -670,15 +675,15 @@
		Standard-Eingabe aus Datei lesen
		\end{itemize}
		\begin{lstlisting}[style=terminal]
		$ bc
		$ ¡bc¿
		bc 1.06.95
		Copyright [...] 2006 Free Software Foundation, Inc.
		This is free software with ABSOLUTELY NO WARRANTY.
		For details type `warranty'.
		2 + 2
		¡2 + 2¿
		4
		$ echo "2 + 2" > test.bc
		$ bc < test.bc
		$ ¡echo "2 + 2" > test.bc¿
		$ ¡bc < test.bc¿
		4
		\end{lstlisting}

		@@ -696,13 +701,13 @@
		\smallskip

		\begin{lstlisting}[style=terminal]
		$ echo "2 + 2" \| bc
		$ ¡echo "2 + 2" \| bc¿
		4
		\end{lstlisting}

		\smallskip

		\textarrow\ sehr mchtiger "`Baukasten"'
		\textarrow\ sehr mächtiger "`Baukasten"'

		\end{frame}

		@@ -716,7 +721,7 @@
		Suchen und Ersetzen (und noch viel mehr)
		\end{itemize}
		\begin{lstlisting}[style=terminal]
		$ echo "Schlimmer geht nimmer." \| sed -e 's/nim/im/g'
		$ ¡echo "Schlimmer geht nimmer." \| sed -e 's/nim/im/g'¿
		Schlimmer geht immer.
		\end{lstlisting}

		@@ -731,14 +736,14 @@
		\lstinline[style=cmd]{grep}: Standard-Eingabe durchsuchen
		\end{itemize}
		\begin{lstlisting}[style=terminal]
		$ ls \| grep slides
		$ ¡ls \| grep slides¿
		pgslides.sty
		$ ls *.pdf \| grep -v fig
		$ ¡ls *.pdf \| grep -v fig¿
		logo-hochschule-bochum-cvh-text.pdf
		logo-hochschule-bochum.pdf
		NPN_transistor_basic_operation.pdf
		rtech-20131002.pdf
		$ ls -l $(ls *.pdf \| grep -v fig)
		$ ¡ls -l $(ls *.pdf \| grep -v fig)¿
		-rw-r--r-- 1 peter peter 14488 Sep 2 21:02 logo-hochschule-bochum-cvh-text.pdf
		-rw-r--r-- 1 peter peter 31581 Dez 26 2011 logo-hochschule-bochum.pdf
		-rw-r--r-- 1 peter peter 8538 Okt 2 2012 NPN_transistor_basic_operation.pdf
		@@ -754,10 +759,10 @@
		\showsubsectionnonumber

		\begin{lstlisting}[style=terminal]
		$ if grep Pipes test.txt; then echo "gefunden"; \
		else echo "nicht gefunden"; fi
		$ ¡if grep Pipes test.txt; then echo "gefunden"; \
		else echo "nicht gefunden"; fi¿
		nicht gefunden
		$ for x in foo bar baz; do echo $x; done
		$ ¡for x in foo bar baz; do echo $x; done¿
		foo
		bar
		baz

20250324/unix-baukasten-01.txt

0 → 100644

+87 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> tar xzf /home/peter/bo/2012ws/systech/material/linux-0.01.tar.gz
		cassini/home/peter/bo/2025ss/bs/20250324> cat $(find linux -type f) \| wc -l
		10239
		cassini/home/peter/bo/2025ss/bs/20250324> rm -r linux/
		cassini/home/peter/bo/2025ss/bs/20250324> ls
		bs-20250324.pdf pgslides.sty unix-20250324.snm
		bs-20250324.tex unix-20250324.aux unix-20250324.tex
		fotos unix-20250324.log unix-20250324.toc
		logo-hochschule-bochum-cvh-text-v3.pdf unix-20250324.nav unix-20250324.vrb
		logo-hochschule-bochum-de-narrow.pdf unix-20250324.out
		Operating_system_placement-de.pdf unix-20250324.pdf
		cassini/home/peter/bo/2025ss/bs/20250324> which ls
		/usr/bin/ls
		cassini/home/peter/bo/2025ss/bs/20250324> ls -l /usr/bin/ls
		-rwxr-xr-x 1 root root 151344 20. Sep 2022 /usr/bin/ls
		cassini/home/peter/bo/2025ss/bs/20250324> ls -l
		insgesamt 392
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		cassini/home/peter/bo/2025ss/bs/20250324> ls -a
		. unix-20250324.aux
		.. unix-20250324.log
		... unix-20250324.nav
		bs-20250324.pdf unix-20250324.out
		bs-20250324.tex unix-20250324.pdf
		fotos unix-20250324.snm
		logo-hochschule-bochum-cvh-text-v3.pdf unix-20250324.tex
		logo-hochschule-bochum-de-narrow.pdf unix-20250324.toc
		Operating_system_placement-de.pdf unix-20250324.vrb
		pgslides.sty
		cassini/home/peter/bo/2025ss/bs/20250324> ls -l -a
		insgesamt 400
		drwxr-xr-x 2 peter peter 4096 24. Mär 14:18 .
		drwxr-xr-x 4 peter peter 4096 24. Mär 08:01 ..
		-rw-r--r-- 1 peter peter 0 24. Mär 14:17 ...
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		cassini/home/peter/bo/2025ss/bs/20250324> ls -la
		insgesamt 400
		drwxr-xr-x 2 peter peter 4096 24. Mär 14:18 .
		drwxr-xr-x 4 peter peter 4096 24. Mär 08:01 ..
		-rw-r--r-- 1 peter peter 0 24. Mär 14:17 ...
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/unix-optionen-01.txt

0 → 100644

+117 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> ls -l
		insgesamt 400
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		-rw-r--r-- 1 peter peter 5853 24. Mär 14:22 unix-baukasten-01.txt
		cassini/home/peter/bo/2025ss/bs/20250324> ls -l --sort=time
		insgesamt 400
		-rw-r--r-- 1 peter peter 5853 24. Mär 14:22 unix-baukasten-01.txt
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		cassini/home/peter/bo/2025ss/bs/20250324> ls -l --sort=time --reverse
		insgesamt 400
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 5853 24. Mär 14:22 unix-baukasten-01.txt
		cassini/home/peter/bo/2025ss/bs/20250324> ls -l -t -r
		insgesamt 400
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 5853 24. Mär 14:22 unix-baukasten-01.txt
		cassini/home/peter/bo/2025ss/bs/20250324> ls -lrt
		insgesamt 400
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 5853 24. Mär 14:22 unix-baukasten-01.txt
		cassini/home/peter/bo/2025ss/bs/20250324> alias t
		alias t='ls -lrt'
		cassini/home/peter/bo/2025ss/bs/20250324> t
		insgesamt 400
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 5853 24. Mär 14:22 unix-baukasten-01.txt
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/variables-01.txt

0 → 100644

+31 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> alias t
		alias t='ls -lrt'
		cassini/home/peter/bo/2025ss/bs/20250324> t='ls -lrt'
		cassini/home/peter/bo/2025ss/bs/20250324> echo $t
		ls -lrt
		cassini/home/peter/bo/2025ss/bs/20250324> $t
		insgesamt 432
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 5853 24. Mär 14:22 unix-baukasten-01.txt
		-rw-r--r-- 1 peter peter 8626 24. Mär 14:24 unix-optionen-01.txt
		-rw-r--r-- 1 peter peter 372 24. Mär 14:25 ausgabe-01.txt
		-rw-r--r-- 1 peter peter 419 24. Mär 14:30 ausrufezeichen-01.txt
		-rw-r--r-- 1 peter peter 1913 24. Mär 14:31 ausrufezeichen-02.txt
		-rw-r--r-- 1 peter peter 312 24. Mär 14:33 ausgabe-02.txt
		-rw-r--r-- 1 peter peter 307 24. Mär 14:34 ausgabe-03.txt
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/wildcards-01.txt

0 → 100644

+29 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> bla="*"
		cassini/home/peter/bo/2025ss/bs/20250324> echo $bla
		ausgabe-01.txt ausgabe-02.txt ausgabe-03.txt ausrufezeichen-01.txt ausrufezeichen-02.txt bs-20250324.pdf bs-20250324.tex fotos logo-hochschule-bochum-cvh-text-v3.pdf logo-hochschule-bochum-de-narrow.pdf mic Operating_system_placement-de.pdf pgslides.sty shell-scripts-01.txt unix-20250324.aux unix-20250324.log unix-20250324.nav unix-20250324.out unix-20250324.pdf unix-20250324.snm unix-20250324.tex unix-20250324.toc unix-20250324.vrb unix-baukasten-01.txt unix-optionen-01.txt variables-01.txt
		cassini/home/peter/bo/2025ss/bs/20250324> echo *
		ausgabe-01.txt ausgabe-02.txt ausgabe-03.txt ausrufezeichen-01.txt ausrufezeichen-02.txt bs-20250324.pdf bs-20250324.tex fotos logo-hochschule-bochum-cvh-text-v3.pdf logo-hochschule-bochum-de-narrow.pdf mic Operating_system_placement-de.pdf pgslides.sty shell-scripts-01.txt unix-20250324.aux unix-20250324.log unix-20250324.nav unix-20250324.out unix-20250324.pdf unix-20250324.snm unix-20250324.tex unix-20250324.toc unix-20250324.vrb unix-baukasten-01.txt unix-optionen-01.txt variables-01.txt
		cassini/home/peter/bo/2025ss/bs/20250324> ls -l *.tex
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		cassini/home/peter/bo/2025ss/bs/20250324> ls *
		ausgabe-01.txt unix-20250324.aux
		ausgabe-02.txt unix-20250324.log
		ausgabe-03.txt unix-20250324.nav
		ausrufezeichen-01.txt unix-20250324.out
		ausrufezeichen-02.txt unix-20250324.pdf
		bs-20250324.pdf unix-20250324.snm
		bs-20250324.tex unix-20250324.tex
		logo-hochschule-bochum-cvh-text-v3.pdf unix-20250324.toc
		logo-hochschule-bochum-de-narrow.pdf unix-20250324.vrb
		mic unix-baukasten-01.txt
		Operating_system_placement-de.pdf unix-optionen-01.txt
		pgslides.sty variables-01.txt
		shell-scripts-01.txt

		fotos:
		00-twike-20191009.jpg 02-judo-20190629-0120.jpg 04-physik-20210510-223937-mit-url.png
		01-am-klavier-20180216.jpg 03-tanzen-4682.jpg
		cassini/home/peter/bo/2025ss/bs/20250324> echo *
		ausgabe-01.txt ausgabe-02.txt ausgabe-03.txt ausrufezeichen-01.txt ausrufezeichen-02.txt bs-20250324.pdf bs-20250324.tex fotos logo-hochschule-bochum-cvh-text-v3.pdf logo-hochschule-bochum-de-narrow.pdf mic Operating_system_placement-de.pdf pgslides.sty shell-scripts-01.txt unix-20250324.aux unix-20250324.log unix-20250324.nav unix-20250324.out unix-20250324.pdf unix-20250324.snm unix-20250324.tex unix-20250324.toc unix-20250324.vrb unix-baukasten-01.txt unix-optionen-01.txt variables-01.txt
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/wildcards-02.txt

0 → 100644

+5 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> echo $bla
		ausgabe-01.txt ausgabe-02.txt ausgabe-03.txt ausrufezeichen-01.txt ausrufezeichen-02.txt bs-20250324.pdf bs-20250324.tex fotos logo-hochschule-bochum-cvh-text-v3.pdf logo-hochschule-bochum-de-narrow.pdf mic Operating_system_placement-de.pdf pgslides.sty shell-scripts-01.txt unix-20250324.aux unix-20250324.log unix-20250324.nav unix-20250324.out unix-20250324.pdf unix-20250324.snm unix-20250324.tex unix-20250324.toc unix-20250324.vrb unix-baukasten-01.txt unix-optionen-01.txt variables-01.txt wildcards-01.txt
		cassini/home/peter/bo/2025ss/bs/20250324> echo "$bla"
		*
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/wildcards-03.txt

0 → 100644

+21 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> ls -l hello-01.sh
		-rwxr-xr-x 1 peter peter 57 24. Mär 14:55 hello-01.sh
		cassini/home/peter/bo/2025ss/bs/20250324> cat hello-01.sh
		#!/bin/bash

		echo -n "Name: "
		read name
		echo Hallo $name
		cassini/home/peter/bo/2025ss/bs/20250324> ./hello-01.sh
		Name: Peter
		Hallo Peter
		cassini/home/peter/bo/2025ss/bs/20250324> ./hello-01.sh
		Name: *
		Hallo ausgabe-01.txt ausgabe-02.txt ausgabe-03.txt ausrufezeichen-01.txt ausrufezeichen-02.txt bs-20250324.pdf bs-20250324.tex fotos hello-01.sh logo-hochschule-bochum-cvh-text-v3.pdf logo-hochschule-bochum-de-narrow.pdf mic Operating_system_placement-de.pdf pgslides.sty shell-scripts-01.txt unix-20250324.aux unix-20250324.log unix-20250324.nav unix-20250324.out unix-20250324.pdf unix-20250324.snm unix-20250324.tex unix-20250324.toc unix-20250324.vrb unix-baukasten-01.txt unix-optionen-01.txt variables-01.txt wildcards-01.txt wildcards-02.txt
		cassini/home/peter/bo/2025ss/bs/20250324> ./hello-01.sh
		Name: /*
		Hallo /bin /boot /dev /etc /home /initrd.img /initrd.img.old /lib /lib32 /lib64 /libx32 /lost+found /media /mnt /opt /proc /root /run /sbin /srv /swapfile /sys /tmp /usr /var /vmlinuz /vmlinuz.old
		cassini/home/peter/bo/2025ss/bs/20250324> ./hello-01.sh
		Name: //../
		Hallo /bin/../arm-linux-gnueabihf /bin/../bin /bin/../games /bin/../i686-linux-gnu /bin/../include /bin/../lib /bin/../lib32 /bin/../lib64 /bin/../libexec /bin/../libx32 /bin/../local /bin/../sbin /bin/../share /bin/../src /boot/../bin /boot/../boot /boot/../dev /boot/../etc /boot/../home /boot/../initrd.img /boot/../initrd.img.old /boot/../lib /boot/../lib32 /boot/../lib64 /boot/../libx32 /boot/../lost+found /boot/../media /boot/../mnt /boot/../opt /boot/../proc /boot/../root /boot/../run /boot/../sbin /boot/../srv /boot/../swapfile /boot/../sys /boot/../tmp /boot/../usr /boot/../var /boot/../vmlinuz /boot/../vmlinuz.old /dev/../bin /dev/../boot /dev/../dev /dev/../etc /dev/../home /dev/../initrd.img /dev/../initrd.img.old /dev/../lib /dev/../lib32 /dev/../lib64 /dev/../libx32 /dev/../lost+found /dev/../media /dev/../mnt /dev/../opt /dev/../proc /dev/../root /dev/../run /dev/../sbin /dev/../srv /dev/../swapfile /dev/../sys /dev/../tmp /dev/../usr /dev/../var /dev/../vmlinuz /dev/../vmlinuz.old /etc/../bin /etc/../boot /etc/../dev /etc/../etc /etc/../home /etc/../initrd.img /etc/../initrd.img.old /etc/../lib /etc/../lib32 /etc/../lib64 /etc/../libx32 /etc/../lost+found /etc/../media /etc/../mnt /etc/../opt /etc/../proc /etc/../root /etc/../run /etc/../sbin /etc/../srv /etc/../swapfile /etc/../sys /etc/../tmp /etc/../usr /etc/../var /etc/../vmlinuz /etc/../vmlinuz.old /home/../bin /home/../boot /home/../dev /home/../etc /home/../home /home/../initrd.img /home/../initrd.img.old /home/../lib /home/../lib32 /home/../lib64 /home/../libx32 /home/../lost+found /home/../media /home/../mnt /home/../opt /home/../proc /home/../root /home/../run /home/../sbin /home/../srv /home/../swapfile /home/../sys /home/../tmp /home/../usr /home/../var /home/../vmlinuz /home/../vmlinuz.old /lib32/../arm-linux-gnueabihf /lib32/../bin /lib32/../games /lib32/../i686-linux-gnu /lib32/../include /lib32/../lib /lib32/../lib32 /lib32/../lib64 /lib32/../libexec /lib32/../libx32 /lib32/../local /lib32/../sbin /lib32/../share /lib32/../src /lib64/../arm-linux-gnueabihf /lib64/../bin /lib64/../games /lib64/../i686-linux-gnu /lib64/../include /lib64/../lib /lib64/../lib32 /lib64/../lib64 /lib64/../libexec /lib64/../libx32 /lib64/../local /lib64/../sbin /lib64/../share /lib64/../src /lib/../arm-linux-gnueabihf /lib/../bin /lib/../games /lib/../i686-linux-gnu /lib/../include /lib/../lib /lib/../lib32 /lib/../lib64 /lib/../libexec /lib/../libx32 /lib/../local /lib/../sbin /lib/../share /lib/../src /libx32/../arm-linux-gnueabihf /libx32/../bin /libx32/../games /libx32/../i686-linux-gnu /libx32/../include /libx32/../lib /libx32/../lib32 /libx32/../lib64 /libx32/../libexec /libx32/../libx32 /libx32/../local /libx32/../sbin /libx32/../share /libx32/../src /media/../bin /media/../boot /media/../dev /media/../etc /media/../home /media/../initrd.img /media/../initrd.img.old /media/../lib /media/../lib32 /media/../lib64 /media/../libx32 /media/../lost+found /media/../media /media/../mnt /media/../opt /media/../proc /media/../root /media/../run /media/../sbin /media/../srv /media/../swapfile /media/../sys /media/../tmp /media/../usr /media/../var /media/../vmlinuz /media/../vmlinuz.old /mnt/../bin /mnt/../boot /mnt/../dev /mnt/../etc /mnt/../home /mnt/../initrd.img /mnt/../initrd.img.old /mnt/../lib /mnt/../lib32 /mnt/../lib64 /mnt/../libx32 /mnt/../lost+found /mnt/../media /mnt/../mnt /mnt/../opt /mnt/../proc /mnt/../root /mnt/../run /mnt/../sbin /mnt/../srv /mnt/../swapfile /mnt/../sys /mnt/../tmp /mnt/../usr /mnt/../var /mnt/../vmlinuz /mnt/../vmlinuz.old /opt/../bin /opt/../boot /opt/../dev /opt/../etc /opt/../home /opt/../initrd.img /opt/../initrd.img.old /opt/../lib /opt/../lib32 /opt/../lib64 /opt/../libx32 /opt/../lost+found /opt/../media /opt/../mnt /opt/../opt /opt/../proc /opt/../root /opt/../run /opt/../sbin /opt/../srv /opt/../swapfile /opt/../sys /opt/../tmp /opt/../usr /opt/../var /opt/../vmlinuz /opt/../vmlinuz.old /proc/../bin /proc/../boot /proc/../dev /proc/../etc /proc/../home /proc/../initrd.img /proc/../initrd.img.old /proc/../lib /proc/../lib32
		cassini/home/peter/bo/2025ss/bs/20250324>

20250331/Operating_system_placement-de.pdf

0 → 120000

+1 −0

Original line number	Diff line number	Diff line
		../common/Operating_system_placement-de.pdf
		No newline at end of file

20250331/branches-and-loops-01.txt

0 → 100644

+16 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> for x in 1 2 3; do cat test-$x.txt; done
		Dies ist ein schöner Test.
		Dies ist ebenfalls ein Test.
		Dies ist noch ein weiterer Test.
		cassini/home/peter/bo/2025ss/bs/20250331> grep "schön" test-*.txt
		test-1.txt:Dies ist ein schöner Test.
		test-7.txt:Dies ist ein schöner Test.
		test-8.txt:Dies ist ein schöner Test.
		cassini/home/peter/bo/2025ss/bs/20250331> echo $?
		0
		cassini/home/peter/bo/2025ss/bs/20250331> grep "schnöd" test-*.txt
		cassini/home/peter/bo/2025ss/bs/20250331> echo $?
		1
		cassini/home/peter/bo/2025ss/bs/20250331> if grep "schnöd" test-*.txt; then echo "gefunden"; else echo "nicht gefunden"; fi
		nicht gefunden
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/bs-20250331.pdf

0 → 100644

+99 KiB

File added.

No diff preview for this file type.

View file

20250331/bs-20250331.tex

0 → 100644

+1598 −0

File added.

Preview size limit exceeded, changes collapsed.

20250331/file-systems-01.txt

0 → 100644

+30 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> cd ..
		cassini/home/peter/bo/2025ss/bs> ls -l
		insgesamt 12
		drwxr-xr-x 2 peter peter 4096 31. Mär 09:10 20250324
		drwxr-xr-x 2 peter peter 4096 31. Mär 13:52 20250331
		drwxr-xr-x 2 peter peter 4096 24. Mär 08:35 common
		cassini/home/peter/bo/2025ss/bs> cd -
		/home/peter/bo/2025ss/bs/20250331
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l
		insgesamt 252
		-rwxr-xr-x 1 peter peter 15952 31. Mär 12:28 a.out
		-rw-r--r-- 1 peter peter 2814 31. Mär 11:41 bs-20250331.aux
		-rw-r--r-- 1 peter peter 57517 31. Mär 11:41 bs-20250331.log
		-rw-r--r-- 1 peter peter 1407 31. Mär 11:41 bs-20250331.nav
		-rw-r--r-- 1 peter peter 577 31. Mär 11:41 bs-20250331.out
		-rw-r--r-- 1 peter peter 101358 31. Mär 11:41 bs-20250331.pdf
		-rw-r--r-- 1 peter peter 0 31. Mär 11:41 bs-20250331.snm
		-rw-r--r-- 1 peter peter 42591 31. Mär 11:41 bs-20250331.tex
		-rw-r--r-- 1 peter peter 225 31. Mär 11:41 bs-20250331.toc
		-rw-r--r-- 1 peter peter 82 31. Mär 12:20 hello-01.c
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		-rw-r--r-- 1 peter peter 398 31. Mär 13:51 pipes-01.txt
		-rw-r--r-- 1 peter peter 1354 31. Mär 13:52 pipes-02.txt
		-rw-r--r-- 1 peter peter 196 31. Mär 11:41 tmp.inputs
		lrwxrwxrwx 1 peter peter 29 31. Mär 09:11 unix-20250324.pdf -> ../20250324/unix-20250324.pdf
		lrwxrwxrwx 1 peter peter 29 31. Mär 09:11 unix-20250324.tex -> ../20250324/unix-20250324.tex
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/file-systems-02.txt

0 → 100644

+9 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> echo "Dies ist ein Test." > test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331> echo "Dies ist ebenfalls ein Test." > test-2.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-*.txt
		-rw-r--r-- 1 peter peter 19 31. Mär 14:01 test-1.txt
		-rw-r--r-- 1 peter peter 29 31. Mär 14:01 test-2.txt
		cassini/home/peter/bo/2025ss/bs/20250331> mv test-1.txt test-2.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-*.txt
		-rw-r--r-- 1 peter peter 19 31. Mär 14:01 test-2.txt
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/find-01.txt

0 → 100644

+23 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs> ls -l
		insgesamt 12
		drwxr-xr-x 2 peter peter 4096 31. Mär 09:10 20250324
		drwxr-xr-x 3 peter peter 4096 31. Mär 15:17 20250331
		drwxr-xr-x 2 peter peter 4096 24. Mär 08:35 common
		cassini/home/peter/bo/2025ss/bs> find . -name "*.pdf"
		./common/logo-hochschule-bochum-de-narrow.pdf
		./common/logo-hochschule-bochum-en.pdf
		./common/logo-hochschule-bochum-cvh-text-v3.pdf
		./common/Operating_system_placement-de.pdf
		./common/io-ports-and-interrupts.pdf
		./common/logo-hochschule-bochum-de-wide.pdf
		./20250331/logo-hochschule-bochum-de-narrow.pdf
		./20250331/logo-hochschule-bochum-cvh-text-v3.pdf
		./20250331/unix-20250324.pdf
		./20250331/Operating_system_placement-de.pdf
		./20250331/bs-20250331.pdf
		./20250324/logo-hochschule-bochum-de-narrow.pdf
		./20250324/logo-hochschule-bochum-cvh-text-v3.pdf
		./20250324/unix-20250324.pdf
		./20250324/Operating_system_placement-de.pdf
		./20250324/bs-20250324.pdf
		cassini/home/peter/bo/2025ss/bs>

20250331/find-02.txt

0 → 100644

+25 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs> find . -name *.pdf
		./common/logo-hochschule-bochum-de-narrow.pdf
		./common/logo-hochschule-bochum-en.pdf
		./common/logo-hochschule-bochum-cvh-text-v3.pdf
		./common/Operating_system_placement-de.pdf
		./common/io-ports-and-interrupts.pdf
		./common/logo-hochschule-bochum-de-wide.pdf
		./20250331/logo-hochschule-bochum-de-narrow.pdf
		./20250331/logo-hochschule-bochum-cvh-text-v3.pdf
		./20250331/unix-20250324.pdf
		./20250331/Operating_system_placement-de.pdf
		./20250331/bs-20250331.pdf
		./20250324/logo-hochschule-bochum-de-narrow.pdf
		./20250324/logo-hochschule-bochum-cvh-text-v3.pdf
		./20250324/unix-20250324.pdf
		./20250324/Operating_system_placement-de.pdf
		./20250324/bs-20250324.pdf
		cassini/home/peter/bo/2025ss/bs> echo find . -name *.pdf
		find . -name *.pdf
		cassini/home/peter/bo/2025ss/bs> echo ";-)" > test.pdf
		cassini/home/peter/bo/2025ss/bs> find . -name *.pdf
		./test.pdf
		cassini/home/peter/bo/2025ss/bs> echo find . -name *.pdf
		find . -name test.pdf
		cassini/home/peter/bo/2025ss/bs>

20250331/find-03.txt

0 → 100644

+15 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs> find . -type l
		./.git
		./20250331/logo-hochschule-bochum-de-narrow.pdf
		./20250331/unix-20250324.tex
		./20250331/logo-hochschule-bochum-cvh-text-v3.pdf
		./20250331/pgslides.sty
		./20250331/unix-20250324.pdf
		./20250331/Operating_system_placement-de.pdf
		./20250331/test-7.txt
		./20250324/logo-hochschule-bochum-de-narrow.pdf
		./20250324/fotos
		./20250324/logo-hochschule-bochum-cvh-text-v3.pdf
		./20250324/pgslides.sty
		./20250324/Operating_system_placement-de.pdf
		cassini/home/peter/bo/2025ss/bs>

20250331/find-04.txt

0 → 100644

+7 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs> find . -type d
		.
		./common
		./20250331
		./20250331/test
		./20250324
		cassini/home/peter/bo/2025ss/bs>

20250331/hard-links-01.txt

0 → 100644

+19 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-*.txt
		-rw-r--r-- 1 peter peter 19 31. Mär 15:05 test-1.txt
		-rw-r--r-- 1 peter peter 29 31. Mär 14:07 test-2.txt
		-rw-r--r-- 1 peter peter 33 31. Mär 14:09 test-3.txt
		-rw-r--r-- 1 peter peter 36 31. Mär 14:19 test-4.txt
		-rw-r--r-- 1 peter peter 23 31. Mär 14:21 test-5.txt
		-rw-r--r-- 1 peter peter 28 31. Mär 14:22 test-6.txt
		lrwxrwxrwx 1 peter peter 10 31. Mär 15:02 test-7.txt -> test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ln test-1.txt test-8.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-*.txt
		-rw-r--r-- 2 peter peter 19 31. Mär 15:05 test-1.txt
		-rw-r--r-- 1 peter peter 29 31. Mär 14:07 test-2.txt
		-rw-r--r-- 1 peter peter 33 31. Mär 14:09 test-3.txt
		-rw-r--r-- 1 peter peter 36 31. Mär 14:19 test-4.txt
		-rw-r--r-- 1 peter peter 23 31. Mär 14:21 test-5.txt
		-rw-r--r-- 1 peter peter 28 31. Mär 14:22 test-6.txt
		lrwxrwxrwx 1 peter peter 10 31. Mär 15:02 test-7.txt -> test-1.txt
		-rw-r--r-- 2 peter peter 19 31. Mär 15:05 test-8.txt
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/hard-links-02.txt

0 → 100644

+27 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> echo "Dies ist ein schöner Test." > test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331> cat test-8.txt
		Dies ist ein schöner Test.
		cassini/home/peter/bo/2025ss/bs/20250331> rm test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331> cat test-8.txt
		Dies ist ein schöner Test.
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-*.txt
		-rw-r--r-- 1 peter peter 29 31. Mär 14:07 test-2.txt
		-rw-r--r-- 1 peter peter 33 31. Mär 14:09 test-3.txt
		-rw-r--r-- 1 peter peter 36 31. Mär 14:19 test-4.txt
		-rw-r--r-- 1 peter peter 23 31. Mär 14:21 test-5.txt
		-rw-r--r-- 1 peter peter 28 31. Mär 14:22 test-6.txt
		lrwxrwxrwx 1 peter peter 10 31. Mär 15:02 test-7.txt -> test-1.txt
		-rw-r--r-- 1 peter peter 28 31. Mär 15:07 test-8.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ln test-8.txt test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-*.txt
		-rw-r--r-- 2 peter peter 28 31. Mär 15:07 test-1.txt
		-rw-r--r-- 1 peter peter 29 31. Mär 14:07 test-2.txt
		-rw-r--r-- 1 peter peter 33 31. Mär 14:09 test-3.txt
		-rw-r--r-- 1 peter peter 36 31. Mär 14:19 test-4.txt
		-rw-r--r-- 1 peter peter 23 31. Mär 14:21 test-5.txt
		-rw-r--r-- 1 peter peter 28 31. Mär 14:22 test-6.txt
		lrwxrwxrwx 1 peter peter 10 31. Mär 15:02 test-7.txt -> test-1.txt
		-rw-r--r-- 2 peter peter 28 31. Mär 15:07 test-8.txt
		cassini/home/peter/bo/2025ss/bs/20250331> cat test-1.txt
		Dies ist ein schöner Test.
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/hard-links-03.txt

0 → 100644

+10 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -li test-*.txt
		12622673 -rw-r--r-- 2 peter peter 28 31. Mär 15:07 test-1.txt
		12622610 -rw-r--r-- 1 peter peter 29 31. Mär 14:07 test-2.txt
		12622376 -rw-r--r-- 1 peter peter 33 31. Mär 14:09 test-3.txt
		12622597 -rw-r--r-- 1 peter peter 36 31. Mär 14:19 test-4.txt
		12622667 -rw-r--r-- 1 peter peter 23 31. Mär 14:21 test-5.txt
		12622712 -rw-r--r-- 1 peter peter 28 31. Mär 14:22 test-6.txt
		12622671 lrwxrwxrwx 1 peter peter 10 31. Mär 15:02 test-7.txt -> test-1.txt
		12622673 -rw-r--r-- 2 peter peter 28 31. Mär 15:07 test-8.txt
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/hard-links-04.txt

0 → 100644

+16 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -dl test
		drwxr-xr-x 2 root root 4096 31. Mär 14:50 test
		cassini/home/peter/bo/2025ss/bs/20250331> ln test toast
		ln: test: harte Verknüpfung für Verzeichnisse ist nicht erlaubt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -dl test/.
		drwxr-xr-x 2 root root 4096 31. Mär 14:50 test/.
		cassini/home/peter/bo/2025ss/bs/20250331> ls -la test/
		insgesamt 12
		drwxr-xr-x 2 root root 4096 31. Mär 14:50 .
		drwxr-xr-x 3 peter peter 4096 31. Mär 15:13 ..
		-rw-rw-rw- 1 peter peter 19 31. Mär 14:06 test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -dli test
		12622614 drwxr-xr-x 2 root root 4096 31. Mär 14:50 test
		cassini/home/peter/bo/2025ss/bs/20250331> ls -dli test/.
		12622614 drwxr-xr-x 2 root root 4096 31. Mär 14:50 test/.
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/hard-links-05.txt

0 → 100644

+11 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -dl .
		drwxr-xr-x 3 peter peter 4096 31. Mär 15:15 .
		cassini/home/peter/bo/2025ss/bs/20250331> cd ..
		cassini/home/peter/bo/2025ss/bs> ls -dl .
		drwxr-xr-x 5 peter peter 4096 31. Mär 09:06 .
		cassini/home/peter/bo/2025ss/bs> ls -l
		insgesamt 12
		drwxr-xr-x 2 peter peter 4096 31. Mär 09:10 20250324
		drwxr-xr-x 3 peter peter 4096 31. Mär 15:15 20250331
		drwxr-xr-x 2 peter peter 4096 24. Mär 08:35 common
		cassini/home/peter/bo/2025ss/bs>

20160411/hello.c→20250331/hello-01.c

+0 −0

File moved.

20250331/logo-hochschule-bochum-cvh-text-v3.pdf

0 → 120000

+1 −0

Original line number	Diff line number	Diff line
		../common/logo-hochschule-bochum-cvh-text-v3.pdf
		No newline at end of file

20250331/logo-hochschule-bochum-de-narrow.pdf

0 → 120000

+1 −0

Original line number	Diff line number	Diff line
		../common/logo-hochschule-bochum-de-narrow.pdf
		No newline at end of file

20250331/mount-01.txt

0 → 100644

+41 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> lsblk
		NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
		sda 8:0 0 465,8G 0 disk
		├─sda1 8:1 0 487M 0 part /boot
		├─sda2 8:2 0 1K 0 part
		└─sda5 8:5 0 465,3G 0 part
		└─sda5_crypt 254:0 0 465,3G 0 crypt
		├─cassini--vg-root 254:1 0 464,3G 0 lvm /
		└─cassini--vg-swap_1 254:2 0 980M 0 lvm [SWAP]
		cassini/home/peter/bo/2025ss/bs/20250331> lsblk
		NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
		sda 8:0 0 465,8G 0 disk
		├─sda1 8:1 0 487M 0 part /boot
		├─sda2 8:2 0 1K 0 part
		└─sda5 8:5 0 465,3G 0 part
		└─sda5_crypt 254:0 0 465,3G 0 crypt
		├─cassini--vg-root 254:1 0 464,3G 0 lvm /
		└─cassini--vg-swap_1 254:2 0 980M 0 lvm [SWAP]
		sdb 8:16 1 3,9G 0 disk
		└─sdb1 8:17 1 3,9G 0 part
		cassini/home/peter/bo/2025ss/bs/20250331> mount /dev/sdb1
		cassini/home/peter/bo/2025ss/bs/20250331> lsblk
		NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
		sda 8:0 0 465,8G 0 disk
		├─sda1 8:1 0 487M 0 part /boot
		├─sda2 8:2 0 1K 0 part
		└─sda5 8:5 0 465,3G 0 part
		└─sda5_crypt 254:0 0 465,3G 0 crypt
		├─cassini--vg-root 254:1 0 464,3G 0 lvm /
		└─cassini--vg-swap_1 254:2 0 980M 0 lvm [SWAP]
		sdb 8:16 1 3,9G 0 disk
		└─sdb1 8:17 1 3,9G 0 part /media/usb1
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l /media/usb1/
		insgesamt 12
		-rwxr-xr-x 1 peter peter 2848 3. Feb 17:35 beispiel.zip
		-rwxr-xr-x 1 peter peter 3315 4. Feb 15:41 'Klausur 04.02.2025 Xxxxx Xxxxx.txt'
		drwxr-xr-x 2 peter peter 4096 4. Feb 13:40 'System Volume Information'
		cassini/home/peter/bo/2025ss/bs/20250331> umount /dev/sdb1
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l /media/usb1/
		insgesamt 0
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/mount-02.txt

0 → 100644

+3 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> grep media/usb1 /etc/fstab
		/dev/sdb1 /media/usb1 auto rw,user,noauto 0 0
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/pause-01.txt

0 → 100644

+15 −0

Original line number	Diff line number	Diff line
		cassini/home/peter> cowsay -f tux "Pause bis 17:$((22 + 15)) Uhr"
		_____________________
		< Pause bis 17:37 Uhr >
		---------------------
		\
		\
		.--.
		\|o_o \|
		\|:_/ \|
		// \ \
		(\| \| )
		/'\_ _/`\
		\___)=(___/

		cassini/home/peter>

20250331/permissions-01.txt

0 → 100644

+15 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-4.txt
		-rw-r--r-- 1 peter peter 36 31. Mär 14:19 test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> cat test-4.txt
		Dies ist ebenfalls ein Teeeeeeeest!
		cassini/home/peter/bo/2025ss/bs/20250331> chmod -r test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-4.txt
		--w------- 1 peter peter 36 31. Mär 14:19 test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> cat test-4.txt
		cat: test-4.txt: Keine Berechtigung
		cassini/home/peter/bo/2025ss/bs/20250331> chmod +r test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-4.txt
		-rw-r--r-- 1 peter peter 36 31. Mär 14:19 test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> cat test-4.txt
		Dies ist ebenfalls ein Teeeeeeeest!
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/permissions-02.txt

0 → 100644

+15 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-4.txt
		-rw-r--r-- 1 peter peter 36 31. Mär 14:19 test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> chmod o-r test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-4.txt
		-rw-r----- 1 peter peter 36 31. Mär 14:19 test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> chmod 666 test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-4.txt
		-rw-rw-rw- 1 peter peter 36 31. Mär 14:19 test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> chmod 640 test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-4.txt
		-rw-r----- 1 peter peter 36 31. Mär 14:19 test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> chmod 644 test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-4.txt
		-rw-r--r-- 1 peter peter 36 31. Mär 14:19 test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/permissions-03.txt

0 → 100644

+6 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l a.out
		-rwxr-xr-x 1 peter peter 15952 31. Mär 14:33 a.out
		cassini/home/peter/bo/2025ss/bs/20250331> chmod 750 a.out
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l a.out
		-rwxr-x--- 1 peter peter 15952 31. Mär 14:33 a.out
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/permissions-04.txt

0 → 100644

+20 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-01.sh
		-rw-r--r-- 1 peter peter 21 31. Mär 14:46 test-01.sh
		cassini/home/peter/bo/2025ss/bs/20250331> cat test-01.sh
		echo "Hello, world!"
		cassini/home/peter/bo/2025ss/bs/20250331> chmod 755 test-01.sh
		cassini/home/peter/bo/2025ss/bs/20250331> cat test-01.sh
		echo "Hello, world!"
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-01.sh
		-rwxr-xr-x 1 peter peter 21 31. Mär 14:46 test-01.sh
		cassini/home/peter/bo/2025ss/bs/20250331> ./test-01.sh
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250331> chmod 644 test-01.sh
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-01.sh
		-rw-r--r-- 1 peter peter 21 31. Mär 14:46 test-01.sh
		cassini/home/peter/bo/2025ss/bs/20250331> ./test-01.sh
		bash: ./test-01.sh: Keine Berechtigung
		cassini/home/peter/bo/2025ss/bs/20250331> chmod 755 test-01.sh
		cassini/home/peter/bo/2025ss/bs/20250331> ./test-01.sh
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/permissions-05.txt

0 → 100644

+17 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -dl test
		drwxr-xr-x 2 peter peter 4096 31. Mär 14:15 test
		cassini/home/peter/bo/2025ss/bs/20250331> sudo chown root:root test
		[sudo] Passwort für peter:
		cassini/home/peter/bo/2025ss/bs/20250331> ls -dl test
		drwxr-xr-x 2 root root 4096 31. Mär 14:15 test
		cassini/home/peter/bo/2025ss/bs/20250331> cp -pi test-1.txt test
		cp: reguläre Datei 'test/test-1.txt' kann nicht angelegt werden: Keine Berechtigung
		cassini/home/peter/bo/2025ss/bs/20250331> sudo cp -pi test-1.txt test
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test
		insgesamt 4
		-rw-r--r-- 1 peter peter 19 31. Mär 14:06 test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331> chmod 666 test/test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test
		insgesamt 4
		-rw-rw-rw- 1 peter peter 19 31. Mär 14:06 test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/permissions-06.txt

0 → 100644

+18 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-*.txt
		-rw-r--r-- 1 peter peter 19 31. Mär 14:06 test-1.txt
		-rw-r--r-- 1 peter peter 29 31. Mär 14:07 test-2.txt
		-rw-r--r-- 1 peter peter 33 31. Mär 14:09 test-3.txt
		-rw-r--r-- 1 peter peter 36 31. Mär 14:19 test-4.txt
		-rw-r--r-- 1 peter peter 23 31. Mär 14:21 test-5.txt
		-rw-r--r-- 1 peter peter 28 31. Mär 14:22 test-6.txt
		cassini/home/peter/bo/2025ss/bs/20250331> sudo chown root:root test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test-*.txt
		-rw-r--r-- 1 root root 19 31. Mär 14:06 test-1.txt
		-rw-r--r-- 1 peter peter 29 31. Mär 14:07 test-2.txt
		-rw-r--r-- 1 peter peter 33 31. Mär 14:09 test-3.txt
		-rw-r--r-- 1 peter peter 36 31. Mär 14:19 test-4.txt
		-rw-r--r-- 1 peter peter 23 31. Mär 14:21 test-5.txt
		-rw-r--r-- 1 peter peter 28 31. Mär 14:22 test-6.txt
		cassini/home/peter/bo/2025ss/bs/20250331> chmod 666 test-1.txt
		chmod: Beim Setzen der Zugriffsrechte für 'test-1.txt': Die Operation ist nicht erlaubt
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/permissions-07.txt

0 → 100644

+9 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -dl test
		drwxr-xr-x 2 root root 4096 31. Mär 14:50 test
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test
		insgesamt 4
		-rw-rw-rw- 1 peter peter 19 31. Mär 14:06 test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331> rm -r test
		rm: in schreibgeschütztes Verzeichnis 'test' absteigen? y
		rm: das Entfernen von 'test/test-1.txt' ist nicht möglich: Keine Berechtigung
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/permissions-08.txt

0 → 100644

+8 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> ls -dl test
		drwxr-xr-x 2 root root 4096 31. Mär 14:50 test
		cassini/home/peter/bo/2025ss/bs/20250331> ls -l test
		insgesamt 4
		-rw-rw-rw- 1 peter peter 19 31. Mär 14:06 test-1.txt
		cassini/home/peter/bo/2025ss/bs/20250331> rm test/test-1.txt
		rm: das Entfernen von 'test/test-1.txt' ist nicht möglich: Keine Berechtigung
		cassini/home/peter/bo/2025ss/bs/20250331>

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20250331/pipes-01.txt

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		cassini/home/peter/bo/2025ss/bs/20250331> cowsay $(xsel)
		____________________________
		< Mittagspause bis 13:48 Uhr >
		----------------------------
		\ ^__^
		\ (oo)\_______
		(__)\ )\/\
		\|\|----w \|
		\|\| \|\|
		cassini/home/peter/bo/2025ss/bs/20250331> xsel
		(oo)
		\ No newline at end of selection
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/pipes-02.txt

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Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> man bash

		Command Substitution
		Command substitution allows the output of a command to replace the command name.
		There are two forms:

		$(command)
		or
		`command`

		Bash performs the expansion by executing command in a subshell environment and re‐
		placing the command substitution with the standard output of the command, with any
		trailing newlines deleted. Embedded newlines are not deleted, but they may be re‐
		moved during word splitting. The command substitution $(cat file) can be replaced
		by the equivalent but faster $(< file).

		When the old-style backquote form of substitution is used, backslash retains its
		literal meaning except when followed by $, `, or \. The first backquote not pre‐
		ceded by a backslash terminates the command substitution. When using the $(com‐
		mand) form, all characters between the parentheses make up the command; none are
		treated specially.

		Command substitutions may be nested. To nest when using the backquoted form, es‐
		cape the inner backquotes with backslashes.

		If the substitution appears within double quotes, word splitting and pathname ex‐
		pansion are not performed on the results.

20250331/pipes-03.txt

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Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> cat test-03.bc
		2 + 2
		cassini/home/peter/bo/2025ss/bs/20250331> bc < test-03.bc
		4
		cassini/home/peter/bo/2025ss/bs/20250331> echo "2 + 2" \| bc
		4
		cassini/home/peter/bo/2025ss/bs/20250331> echo "2^2048" \| bc
		32317006071311007300714876688669951960444102669715484032130345427524\
		65513886789089319720141152291346368871796092189801949411955915049092\
		10950881523864482831206308773673009960917501977503896521067960576383\
		84067568276792218642619756161838094338476170470581645852036305042887\
		57589154106580860755239912393038552191433338966834242068497478656456\
		94948561760353263220580778056593310261927084603141502585928641771167\
		25943603718461857357598351152301645904403697613233287231227125684710\
		82020972515710172693132346967854258065669793504599726835299863821552\
		51663894373355436021354332296046453184786049521481935558536110595962\
		30656
		cassini/home/peter/bo/2025ss/bs/20250331> echo "obase = 16; 42" \| bc
		2A
		cassini/home/peter/bo/2025ss/bs/20250331>

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Original line number	Diff line number	Diff line
		cassini/root# fdisk -l /dev/loop0

		Disk /dev/loop0: 1 MiB, 1048576 bytes, 2048 sectors
		Units: sectors of 1 * 512 = 512 bytes
		Sector size (logical/physical): 512 bytes / 512 bytes
		I/O size (minimum/optimal): 512 bytes / 512 bytes
		Disklabel type: dos
		Disk identifier: 0x7ec3d1fa

		Device Boot Start End Sectors Size Id Type
		/dev/loop0p1 1 513 513 256,5K 83 Linux
		/dev/loop0p2 514 1026 513 256,5K 83 Linux
		/dev/loop0p3 1027 2047 1021 510,5K 83 Linux

		------------------------------------------------------------------------------

		cassini/home/peter/bo/2016ss/bs/20160411> cat test.hd
		��~�
		�� U�cassini/home/peter/bo/2016ss/bs/20160411> cat test.hd \| hexdump -C
		00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000001b0 00 00 00 00 00 00 00 00 fa d1 c3 7e 00 00 00 00 \|...........~....\|
		000001c0 02 00 83 08 0a 00 01 00 00 00 01 02 00 00 00 08 \|................\|
		000001d0 0b 00 83 10 13 00 02 02 00 00 01 02 00 00 00 10 \|................\|
		000001e0 14 00 83 20 20 00 03 04 00 00 fd 03 00 00 00 00 \|... ...........\|
		000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa \|..............U.\|
		00000200 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		00100000
		cassini/home/peter/bo/2016ss/bs/20160411> cp -p test.hd test-1.hd

		------------------------------------------------------------------------------

		cassini/root# fdisk -l /dev/loop0

		Disk /dev/loop0: 1 MiB, 1048576 bytes, 2048 sectors
		Units: sectors of 1 * 512 = 512 bytes
		Sector size (logical/physical): 512 bytes / 512 bytes
		I/O size (minimum/optimal): 512 bytes / 512 bytes
		Disklabel type: gpt
		Disk identifier: 917E20B3-0AFF-41DC-BCF9-D54E3A78CCFF

		Device Start End Sectors Size Type
		/dev/loop0p1 34 545 512 256K Linux filesystem
		/dev/loop0p2 546 1057 512 256K Linux filesystem
		/dev/loop0p3 1058 2014 957 478,5K Linux filesystem

		------------------------------------------------------------------------------

		cassini/home/peter/bo/2016ss/bs/20160411> cat test.hd \| hexdump -C
		00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000001c0 01 00 ee fe ff ff 01 00 00 00 ff 07 00 00 00 00 \|................\|
		000001d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa \|..............U.\|
		00000200 45 46 49 20 50 41 52 54 00 00 01 00 00 02 00 00 \|EFI PART........\|
		00000210 e6 aa 9d 9d 00 00 00 00 01 00 00 00 00 00 00 00 \|................\|
		00000220 ff 07 00 00 00 00 00 00 22 00 00 00 00 00 00 00 \|........".......\|
		00000230 de 07 00 00 00 00 00 00 b3 20 7e 91 ff 0a dc 41 \|......... ~....A\|
		00000240 bc f9 d5 4e 3a 78 cc ff 02 00 00 00 00 00 00 00 \|...N:x..........\|
		00000250 80 00 00 00 80 00 00 00 40 d9 b2 91 00 00 00 00 \|........@.......\|
		00000260 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		00000400 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		00000410 8d 8d e8 10 12 56 0e 48 ab 50 b8 33 3b c4 fa 58 \|.....V.H.P.3;..X\|
		00000420 22 00 00 00 00 00 00 00 21 02 00 00 00 00 00 00 \|".......!.......\|
		00000430 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		00000480 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		00000490 d1 26 fd 58 9c 2c 2c 47 bd 13 41 b3 e2 89 c0 50 \|.&.X.,,G..A....P\|
		000004a0 22 02 00 00 00 00 00 00 21 04 00 00 00 00 00 00 \|".......!.......\|
		000004b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		00000500 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		00000510 b0 72 78 a2 d4 21 c2 46 80 72 60 34 65 2a fe 82 \|.rx..!.F.r`4e*..\|
		00000520 22 04 00 00 00 00 00 00 de 07 00 00 00 00 00 00 \|"...............\|
		00000530 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000fbe00 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		000fbe10 8d 8d e8 10 12 56 0e 48 ab 50 b8 33 3b c4 fa 58 \|.....V.H.P.3;..X\|
		000fbe20 22 00 00 00 00 00 00 00 21 02 00 00 00 00 00 00 \|".......!.......\|
		000fbe30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000fbe80 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		000fbe90 d1 26 fd 58 9c 2c 2c 47 bd 13 41 b3 e2 89 c0 50 \|.&.X.,,G..A....P\|
		000fbea0 22 02 00 00 00 00 00 00 21 04 00 00 00 00 00 00 \|".......!.......\|
		000fbeb0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000fbf00 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 \|.=....rG.y=i.G}.\|
		000fbf10 b0 72 78 a2 d4 21 c2 46 80 72 60 34 65 2a fe 82 \|.rx..!.F.r`4e*..\|
		000fbf20 22 04 00 00 00 00 00 00 de 07 00 00 00 00 00 00 \|"...............\|
		000fbf30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		000ffe00 45 46 49 20 50 41 52 54 00 00 01 00 00 02 00 00 \|EFI PART........\|
		000ffe10 c9 c7 87 cb 00 00 00 00 ff 07 00 00 00 00 00 00 \|................\|
		000ffe20 01 00 00 00 00 00 00 00 22 00 00 00 00 00 00 00 \|........".......\|
		000ffe30 de 07 00 00 00 00 00 00 b3 20 7e 91 ff 0a dc 41 \|......... ~....A\|
		000ffe40 bc f9 d5 4e 3a 78 cc ff df 07 00 00 00 00 00 00 \|...N:x..........\|
		000ffe50 80 00 00 00 80 00 00 00 40 d9 b2 91 00 00 00 00 \|........@.......\|
		000ffe60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \|................\|
		*
		00100000

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> dd if=/dev/urandom bs=1 count=320 \| hexdump -C
		00000000 37 58 09 57 94 da 03 1d d4 d8 51 33 7e c0 8e f8 \|7X.W......Q3~...\|
		00000010 16 99 cb 6d fb 05 5c 9d c9 25 f0 37 45 b3 e2 f6 \|...m..\..%.7E...\|
		00000020 ca bd 27 c8 26 5c 10 5c e9 a1 ad d2 93 4c 31 2f \|..'.&\.\.....L1/\|
		00000030 9d 23 65 55 cd bf 90 a5 42 3e 3d cd eb 77 3f 08 \|.#eU....B>=..w?.\|
		00000040 56 7b 38 61 48 62 3a c4 a2 e0 01 f2 ff 8d 77 68 \|V{8aHb:.......wh\|
		00000050 74 14 1e 54 a2 6f be 30 85 39 1c ec 22 8a b1 be \|t..T.o.0.9.."...\|
		00000060 8a 71 0c 7b ec d1 6d ac de b5 4e e0 80 78 a5 c5 \|.q.{..m...N..x..\|
		00000070 48 20 cd e8 26 08 ef ad 57 8a 90 77 39 70 87 4a \|H ..&...W..w9p.J\|
		00000080 a7 62 26 72 ca 64 c5 1b 32 57 23 aa e9 8d 27 0a \|.b&r.d..2W#...'.\|
		00000090 20 aa dd 5d 12 5a 94 22 8a 76 18 73 61 9c c5 10 \| ..].Z.".v.sa...\|
		000000a0 bc 72 18 c2 1e b3 68 64 95 8b 37 40 2f 9f 1e 49 \|.r....hd..7@/..I\|
		000000b0 1a 88 c7 58 35 07 55 6c 23 ea 66 ce 6a 87 a9 97 \|...X5.Ul#.f.j...\|
		000000c0 61 d6 43 70 97 5d c3 7c 61 ef 03 04 b3 18 49 22 \|a.Cp.].\|a.....I"\|
		000000d0 e3 a2 63 0f e1 ca 16 a3 c4 4b fe 2e c9 3b 96 24 \|..c......K...;.$\|
		000000e0 04 dc b5 90 82 c7 d6 6c 4f c6 50 19 f4 6a 88 29 \|.......lO.P..j.)\|
		000000f0 3f ec 57 c9 69 11 a8 ef 56 4e 50 30 d8 c5 83 b9 \|?.W.i...VNP0....\|
		00000100 ab 5c 0b 50 27 ba 4a 19 45 dc 82 01 fd cb a3 b9 \|.\.P'.J.E.......\|
		00000110 c1 22 d5 62 70 2e 59 57 15 b8 e2 0b b7 66 a4 80 \|.".bp.YW.....f..\|
		00000120 f6 cc 89 b6 bb 2f 5a cb 93 42 61 30 84 e3 a5 1e \|...../Z..Ba0....\|
		00000130 9d 4d 7c 3d a5 c8 94 91 51 46 f6 c3 33 15 20 c6 \|.M\|=....QF..3. .\|
		320+0 Datensätze ein
		320+0 Datensätze aus
		00000140
		320 Bytes (320 B) kopiert, 0,00166432 s, 192 kB/s

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2016ss/bs/20160418> echo "Schlimmer geht nimmer." ¦ sed -e 's/nim/im/g' ¦ hexdump -C
		Schlimmer geht nimmer. ¦ sed -e s/nim/im/g ¦ hexdump -C
		cassini/home/peter/bo/2016ss/bs/20160418> echo "Schlimmer geht nimmer." \| sed -e 's/nim/im/g' \| hexdump -C
		00000000 53 63 68 6c 69 6d 6d 65 72 20 67 65 68 74 20 69 \|Schlimmer geht i\|
		00000010 6d 6d 65 72 2e 0a \|mmer..\|
		00000016
		cassini/home/peter/bo/2016ss/bs/20160418> echo "Schlimmer geht nimmer." ¦ sed -e 's/nim/im/g' ¦ hexdump -C \| hexdump -C
		00000000 53 63 68 6c 69 6d 6d 65 72 20 67 65 68 74 20 6e \|Schlimmer geht n\|
		00000010 69 6d 6d 65 72 2e 20 c2 a6 20 73 65 64 20 2d 65 \|immer. .. sed -e\|
		00000020 20 73 2f 6e 69 6d 2f 69 6d 2f 67 20 c2 a6 20 68 \| s/nim/im/g .. h\|
		00000030 65 78 64 75 6d 70 20 2d 43 0a \|exdump -C.\|
		0000003a

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