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20220928/es-20220928.tex

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@@ -20,7 +20,7 @@ 
% Attribution-ShareAlike 3.0 Unported License along with this

% document.  If not, see <http://creativecommons.org/licenses/>.



% README: Einführung: eingebettete Systeme, Unix-Kommandozeile

% README: Einführung: eingebettete Systeme, Unix



\documentclass[10pt,t]{beamer}

20221005/bash-shortcuts-01.txt

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cassini/home/peter/bo/2022ws/es> ls -lrt

insgesamt 7640

drwxr-xr-x 2 peter peter    4096 Okt  7  2021 common

-rwxr-xr-x 1 peter peter    4632 Sep 28 08:19 update

-rw-r--r-- 1 peter peter     870 Sep 28 12:41 PROJEKTE

drwxr-xr-x 2 peter peter    4096 Okt  5 08:57 20220928

drwxr-xr-x 2 peter peter    4096 Okt  5 09:02 20221005

-rw-r--r-- 1 peter peter 7761235 Okt  5 09:02 es-slides-2022ws.pdf

-rw-r--r-- 1 peter peter    2931 Okt  5 09:02 README.md

-rw-r--r-- 1 peter peter   12956 Okt  5 12:40 options-01.txt

-rw-r--r-- 1 peter peter     871 Okt  5 12:40 variables-01.txt

-rw-r--r-- 1 peter peter    1221 Okt  5 12:44 variables-02.txt

-rw-r--r-- 1 peter peter     723 Okt  5 12:45 variables-03.txt

(reverse-i-search)`lrt': ls -lrt

20221005/bc-1

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#!/usr/bin/bc

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20221005/bc-2

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#!/usr/bin/bc

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quit

20221005/csa2.jpg

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../common/csa2.jpg
 
 No newline at end of file

20221005/es-20221005.tex

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File added.

Preview size limit exceeded, changes collapsed.

20221005/fehler.txt

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cat: gibtsnicht.txt: Datei oder Verzeichnis nicht gefunden

20221005/files-01.txt

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cassini/home/peter/bo/2022ws/es/20221005> ls -lrt

insgesamt 3436

lrwxrwxrwx 1 peter peter      18 Apr 13  2016 csa2.jpg -> ../common/csa2.jpg

lrwxrwxrwx 1 peter peter      22 Okt  5  2016 pgslides.sty -> ../common/pgslides.sty

lrwxrwxrwx 1 peter peter      36 Okt  5  2016 logo-hochschule-bochum.pdf -> ../common/logo-hochschule-bochum.pdf

lrwxrwxrwx 1 peter peter      48 Okt  7  2018 logo-hochschule-bochum-cvh-text-v2.pdf -> ../common/logo-hochschule-bochum-cvh-text-v2.pdf

-rw-r--r-- 1 peter peter   26808 Okt  5 08:59 es-20221005.tex

-rw-r--r-- 1 peter peter     264 Okt  5 09:01 es-20221005.vrb

-rw-r--r-- 1 peter peter       0 Okt  5 09:01 es-20221005.snm

-rw-r--r-- 1 peter peter     652 Okt  5 09:01 es-20221005.out

-rw-r--r-- 1 peter peter    7825 Okt  5 09:01 es-20221005.aux

-rw-r--r-- 1 peter peter     647 Okt  5 09:01 es-20221005.toc

-rw-r--r-- 1 peter peter    4751 Okt  5 09:01 es-20221005.nav

-rw-r--r-- 1 peter peter 3358917 Okt  5 09:01 es-20221005.pdf

-rw-r--r-- 1 peter peter   54203 Okt  5 09:01 es-20221005.log

-rw-r--r-- 1 peter peter   12956 Okt  5 12:40 options-01.txt

-rw-r--r-- 1 peter peter     871 Okt  5 12:40 variables-01.txt

-rw-r--r-- 1 peter peter    1221 Okt  5 12:44 variables-02.txt

-rw-r--r-- 1 peter peter     723 Okt  5 12:45 variables-03.txt

-rw-r--r-- 1 peter peter     733 Okt  5 12:47 bash-shortcuts-01.txt

-rwxr-xr-x 1 peter peter      21 Okt  5 14:42 hello

-rwxr-xr-x 1 peter peter      54 Okt  5 14:47 ls

cassini/home/peter/bo/2022ws/es/20221005> mkdir test

cassini/home/peter/bo/2022ws/es/20221005> cp hello test/

cassini/home/peter/bo/2022ws/es/20221005> ls -l test/

insgesamt 4

-rwxr-xr-x 1 peter peter 21 Okt  5 15:07 hello

cassini/home/peter/bo/2022ws/es/20221005> cp -p hello test/

cassini/home/peter/bo/2022ws/es/20221005> ls -l test/

insgesamt 4

-rwxr-xr-x 1 peter peter 21 Okt  5 14:42 hello

cassini/home/peter/bo/2022ws/es/20221005> cp -p hello test/

cassini/home/peter/bo/2022ws/es/20221005> cp -pi hello test/

cp: 'test/hello' überschreiben? y

cassini/home/peter/bo/2022ws/es/20221005> rm test/hello

cassini/home/peter/bo/2022ws/es/20221005> ls -l test/

insgesamt 0

cassini/home/peter/bo/2022ws/es/20221005> cp -pi hello test/

cassini/home/peter/bo/2022ws/es/20221005> ls -l test/

insgesamt 4

-rwxr-xr-x 1 peter peter 21 Okt  5 14:42 hello

cassini/home/peter/bo/2022ws/es/20221005> rm -i test/hello

rm: reguläre Datei 'test/hello' entfernen? n

cassini/home/peter/bo/2022ws/es/20221005> ls -l test/

insgesamt 4

-rwxr-xr-x 1 peter peter 21 Okt  5 14:42 hello

cassini/home/peter/bo/2022ws/es/20221005>

20221005/files-02.txt

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cassini/home/peter/bo/2022ws/es/20221005/test> touch test-1.txt

cassini/home/peter/bo/2022ws/es/20221005/test> touch test-2.txt

cassini/home/peter/bo/2022ws/es/20221005/test> touch test-3.txt

cassini/home/peter/bo/2022ws/es/20221005/test> ls -l

insgesamt 0

-rw-r--r-- 1 peter peter 0 Okt  5 15:14 test-1.txt

-rw-r--r-- 1 peter peter 0 Okt  5 15:14 test-2.txt

-rw-r--r-- 1 peter peter 0 Okt  5 15:14 test-3.txt

cassini/home/peter/bo/2022ws/es/20221005/test> cd ..

cassini/home/peter/bo/2022ws/es/20221005> ls test/*.*

test/test-1.txt  test/test-2.txt  test/test-3.txt

cassini/home/peter/bo/2022ws/es/20221005> rm test/*.*

cassini/home/peter/bo/2022ws/es/20221005> ls -l test/

insgesamt 0

cassini/home/peter/bo/2022ws/es/20221005> cd test/

cassini/home/peter/bo/2022ws/es/20221005/test> touch test-1

cassini/home/peter/bo/2022ws/es/20221005/test> touch test-2

cassini/home/peter/bo/2022ws/es/20221005/test> touch test-3

cassini/home/peter/bo/2022ws/es/20221005/test> cd ..

cassini/home/peter/bo/2022ws/es/20221005> ls test/*.*

ls: Zugriff auf 'test/*.*' nicht möglich: Datei oder Verzeichnis nicht gefunden

cassini/home/peter/bo/2022ws/es/20221005> ls test/*

test/test-1  test/test-2  test/test-3

cassini/home/peter/bo/2022ws/es/20221005> rm test/*

cassini/home/peter/bo/2022ws/es/20221005>

20221005/files-03.txt

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cassini/home/peter/bo/2022ws/es/20221005> cat test-1.txt

Test 1

cassini/home/peter/bo/2022ws/es/20221005> cat test-2.txt

Test 2

cassini/home/peter/bo/2022ws/es/20221005> cd test/

cassini/home/peter/bo/2022ws/es/20221005/test> ls -l

insgesamt 0

cassini/home/peter/bo/2022ws/es/20221005/test> cp ../test-*.txt

cassini/home/peter/bo/2022ws/es/20221005/test> ls -l

insgesamt 0

cassini/home/peter/bo/2022ws/es/20221005/test> cd ..

cassini/home/peter/bo/2022ws/es/20221005> cat test-1.txt

Test 1

cassini/home/peter/bo/2022ws/es/20221005> cat test-2.txt

Test 1

cassini/home/peter/bo/2022ws/es/20221005>

20221005/files-04.txt

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cassini/home/peter/bo/2022ws/es/20221005> ls -l test-*.txt

-rw-r--r-- 1 peter peter  7 Okt  5 15:16 test-1.txt

-rw-r--r-- 1 peter peter 29 Okt  5 15:19 test-2.txt

cassini/home/peter/bo/2022ws/es/20221005> cd test/

cassini/home/peter/bo/2022ws/es/20221005/test> cp ../test-*.txt

cassini/home/peter/bo/2022ws/es/20221005/test> cd ..

cassini/home/peter/bo/2022ws/es/20221005> cp ../test-*.txt

cp: Fehlender Zieldatei‐Operand hinter '../test-*.txt'

„cp --help“ liefert weitere Informationen.

cassini/home/peter/bo/2022ws/es/20221005> ls -l test-*.txt

-rw-r--r-- 1 peter peter 7 Okt  5 15:16 test-1.txt

-rw-r--r-- 1 peter peter 7 Okt  5 15:19 test-2.txt

cassini/home/peter/bo/2022ws/es/20221005> cat test-2.txt

Test 1

cassini/home/peter/bo/2022ws/es/20221005> echo "Test 2 ist ebenfalls schön." > test-2.txt

cassini/home/peter/bo/2022ws/es/20221005> cd test/

cassini/home/peter/bo/2022ws/es/20221005/test> echo cp ../test-*.txt

cp ../test-1.txt ../test-2.txt

cassini/home/peter/bo/2022ws/es/20221005/test> cp -i ../test-*.txt

cp: '../test-2.txt' überschreiben? n

cassini/home/peter/bo/2022ws/es/20221005/test> cp -i ../test-*.txt .

cassini/home/peter/bo/2022ws/es/20221005/test> ls -l

insgesamt 8

-rw-r--r-- 1 peter peter  7 Okt  5 15:22 test-1.txt

-rw-r--r-- 1 peter peter 29 Okt  5 15:22 test-2.txt

cassini/home/peter/bo/2022ws/es/20221005/test> echo cp -i ../test-*.txt .

cp -i ../test-1.txt ../test-2.txt .

cassini/home/peter/bo/2022ws/es/20221005/test>

20221005/files-05.txt

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+5 −0
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cassini/home/peter/bo/2022ws/es/20221005/test> mv ../test-*.txt

cassini/home/peter/bo/2022ws/es/20221005/test> cd ..

cassini/home/peter/bo/2022ws/es/20221005> ls -l test*.txt

-rw-r--r-- 1 peter peter 7 Okt  5 15:16 test-2.txt

cassini/home/peter/bo/2022ws/es/20221005>

20221005/find-01.txt

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cassini/home/peter/bo/2022ws/es/20221005> find . -name "*.txt"

./test-link.txt

./permissions-02.txt

./permissions-04.txt

./links-01.txt

./bash-shortcuts-01.txt

./test-3.txt

./files-01.txt

./permissions-07.txt

./links-02.txt

./files-03.txt

./variables-02.txt

./permissions-03.txt

./test.txt

./test/test-1.txt

./test/test-2.txt

./variables-03.txt

./files-05.txt

./wildcards-01.txt

./permissions-08.txt

./variables-01.txt

./permissions-01.txt

./test-1.txt

./write-only.txt

./files-02.txt

./permissions-05.txt

./permissions-06.txt

./options-01.txt

./files-04.txt

./test-2.txt

cassini/home/peter/bo/2022ws/es/20221005> find . -name *.txt

find: paths must precede expression: `files-01.txt'

find: possible unquoted pattern after predicate `-name'?

cassini/home/peter/bo/2022ws/es/20221005> echo find . -name *.txt

find . -name bash-shortcuts-01.txt files-01.txt files-02.txt files-03.txt files-04.txt files-05.txt links-01.txt links-02.txt options-01.txt permissions-01.txt permissions-02.txt permissions-03.txt permissions-04.txt permissions-05.txt permissions-06.txt permissions-07.txt permissions-08.txt test-1.txt test-2.txt test-3.txt test-link.txt test.txt variables-01.txt variables-02.txt variables-03.txt wildcards-01.txt write-only.txt

cassini/home/peter/bo/2022ws/es/20221005> echo find . -name "*.txt"

find . -name *.txt

20221005/for-01.txt

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cassini/home/peter/bo/2022ws/es/20221005> for x in 1 2 3; do cat test-$x.txt; done

Dies ist ein besonders schöner Test.

Dies ist noch ein Test.

Dies ist noch ein weiterer Test.

cassini/home/peter/bo/2022ws/es/20221005>

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