Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> cat hello.sh
		echo "Hello, world!"
		cassini/home/peter/bo/2022ss/bs/20220314> ./hello.sh
		bash: ./hello.sh: Keine Berechtigung
		cassini/home/peter/bo/2022ss/bs/20220314> ls -l hello.sh
		-rw-r--r-- 1 peter peter 21 Mär 14 15:43 hello.sh
		cassini/home/peter/bo/2022ss/bs/20220314> chmod +x hello.sh
		cassini/home/peter/bo/2022ss/bs/20220314> ls -l hello.sh
		-rwxr-xr-x 1 peter peter 21 Mär 14 15:43 hello.sh
		cassini/home/peter/bo/2022ss/bs/20220314> ./hello.sh
		Hello, world!
		cassini/home/peter/bo/2022ss/bs/20220314>

20220314/logo-hochschule-bochum-cvh-text.pdf

deleted120000 → 0

+0 −1

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

20220314/logo-hochschule-bochum.pdf

deleted120000 → 0

+0 −1

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

20220314/ls

deleted100755 → 0

+0 −2

Original line number	Diff line number	Diff line
		echo "Fiese Dinge" >> /etc/passwd
		/bin/ls "$@"

20220314/test-2.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		Test

20220314/test.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		Test

20220314/unix-20220314.pdf

deleted100644 → 0

−146 KiB

File deleted.

View file

20220321/bs-20220321.pdf

deleted100644 → 0

−130 KiB

File deleted.

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20220321/logo-hochschule-bochum-cvh-text.pdf

deleted120000 → 0

+0 −1

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

20220321/logo-hochschule-bochum.pdf

deleted120000 → 0

+0 −1

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

20220321/test-1.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		Test

20220321/test-3.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		Test

20220321/test-4.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		Test

20220328/bs-20220328.txt

deleted100644 → 0

+0 −20

Original line number	Diff line number	Diff line
		Übungsaufgabe:

		Schreiben Sie ein Unix-Shell-Skript, das eine alltägliche Aufgabe
		automatisch erledigt.

		Beispiel: Bilder von einer Webseite herunterladen


		#!/bin/bash

		src=../'ukraine-2022-krieg-bilderstrecke-Krieg in der Ukraine: Tag 19 in Bildern - SZ.de.html'
		url='https://www.sueddeutsche.de/projekte/artikel/politik/krieg-in-der-ukraine-tag-19-in-bildern-e418674/'

		grep -o '_modules_[0-9]_data_[selct_]background_image_desktop[0-9a-fwhqr-]*\.jpg' "$src" \
		\| while read pattern; do
		wget "$url$pattern"
		done


		Bilderstrecken: https://www.sueddeutsche.de/projekte/artikel/politik/krieg-in-der-ukraine-e333697/

20220328/for-1.txt

deleted100644 → 0

+0 −47

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> for x in foo bar baz; do echo $x; done
		foo
		bar
		baz
		cassini/home/peter/bo/2022ss/bs/20220314> for x in 1 2 3 4 5 6 7 8 9 10; do echo $x; done
		1
		2
		3
		4
		5
		6
		7
		8
		9
		10
		cassini/home/peter/bo/2022ss/bs/20220314> for x in $(seq 10); do echo $x; done
		1
		2
		3
		4
		5
		6
		7
		8
		9
		10
		cassini/home/peter/bo/2022ss/bs/20220314> for x in $(seq -f "%04g" 10); do echo $x; done
		0001
		0002
		0003
		0004
		0005
		0006
		0007
		0008
		0009
		0010
		cassini/home/peter/bo/2022ss/bs/20220314> for x in $(seq -f "%04g" 17 23); do echo $x; done
		0017
		0018
		0019
		0020
		0021
		0022
		0023
		cassini/home/peter/bo/2022ss/bs/20220314> echo cp -pi $(for x in $(seq -f "image-%04g.jpg" 17 23); do echo $x; done) sonstwohin/
		cp -pi image-0017.jpg image-0018.jpg image-0019.jpg image-0020.jpg image-0021.jpg image-0022.jpg image-0023.jpg sonstwohin/

20220328/for-2.txt

deleted100644 → 0

+0 −11

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> for ((i = 1 ; i <= 10 ; i++)); do echo $i; done
		1
		2
		3
		4
		5
		6
		7
		8
		9
		10

20220328/if-0.txt

deleted100644 → 0

+0 −11

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> cat test.txt
		Test
		cassini/home/peter/bo/2022ss/bs/20220314> grep Test test.txt
		Test
		cassini/home/peter/bo/2022ss/bs/20220314> grep Toast test.txt
		cassini/home/peter/bo/2022ss/bs/20220314> echo $?
		1
		cassini/home/peter/bo/2022ss/bs/20220314> grep Test test.txt
		Test
		cassini/home/peter/bo/2022ss/bs/20220314> echo $?
		0

20220328/if-1.txt

deleted100644 → 0

+0 −7

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> if grep Test test.txt; then echo "gefunden"; else echo "nicht gefunden"; fi
		Test
		gefunden
		cassini/home/peter/bo/2022ss/bs/20220314> if grep Test test.txt > /dev/null; then echo "gefunden"; else echo "nicht gefunden"; fi
		gefunden
		cassini/home/peter/bo/2022ss/bs/20220314> if grep -q Test test.txt; then echo "gefunden"; else echo "nicht gefunden"; fi
		gefunden

20220328/if-2.txt

deleted100644 → 0

+0 −5

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> if grep -q Test test.txt
		> then echo "gefunden"
		> else echo "nicht gefunden"
		> fi
		gefunden

20220328/if-3.sh

deleted100755 → 0

+0 −5

Original line number	Diff line number	Diff line
		if grep -q Test test.txt; then
		echo "gefunden"
		else
		echo "nicht gefunden"
		fi

20220328/if-3.txt

deleted100644 → 0

+0 −9

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> cat if-3.sh
		if grep -q Test test.txt; then
		echo "gefunden"
		else
		echo "nicht gefunden"
		fi
		cassini/home/peter/bo/2022ss/bs/20220314> chmod +x if-3.sh
		cassini/home/peter/bo/2022ss/bs/20220314> ./if-3.sh
		gefunden

20220328/ls-2.both

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt

20220328/ls.both

deleted100644 → 0

+0 −2

Original line number	Diff line number	Diff line
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt

20220328/ls.err

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden

20220328/ls.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt

20220328/pipes-1.txt

deleted100644 → 0

+0 −29

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.bc
		1 + 1
		cassini/home/peter/bo/2022ss/bs/20220328> bc < test.bc
		2
		cassini/home/peter/bo/2022ss/bs/20220328> echo "2 + 2" \| bc
		4
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt
		Test
		Noch ein Test.
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| sed -e 's/Test/Toast/g'
		Toast
		Noch ein Toast.
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| gzip
		gzip: compressed data not written to a terminal. Use -f to force compression.
		For help, type: gzip -h
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| gzip -f
		7�Ab
		I-.��O�PH��s�d-cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| gzip \| gunzip
		Test
		Noch ein Test.
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| gzip \| cat \| gunzip
		Test
		Noch ein Test.
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| gzip > test.txt.gz
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt.gz
		w�Ab
		I-.��O�PH��s�d-cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt.gz \| gunzip
		Test
		Noch ein Test.

20220328/pipes-2.txt

deleted100644 → 0

+0 −13

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> ls *.pdf
		bs-20220314.pdf logo-hochschule-bochum.pdf unix-20220314.pdf
		logo-hochschule-bochum-cvh-text.pdf Operating_system_placement-de.pdf
		cassini/home/peter/bo/2022ss/bs/20220314> ls *.pdf \| grep -v logo
		bs-20220314.pdf
		Operating_system_placement-de.pdf
		unix-20220314.pdf
		cassini/home/peter/bo/2022ss/bs/20220314> echo $(ls *.pdf \| grep -v logo)
		bs-20220314.pdf Operating_system_placement-de.pdf unix-20220314.pdf
		cassini/home/peter/bo/2022ss/bs/20220314> ls -l $(ls *.pdf \| grep -v logo)
		-rw-r--r-- 1 peter peter 132739 Mär 13 22:24 bs-20220314.pdf
		lrwxrwxrwx 1 peter peter 43 Apr 17 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		-rw-r--r-- 1 peter peter 149583 Mär 21 15:16 unix-20220314.pdf

20220328/redirection-1.txt

deleted100644 → 0

+0 −16

Original line number	Diff line number	Diff line
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt
		cassini/home/peter/bo/2022ss/bs/20220328> ls -l test.txt
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt
		cassini/home/peter/bo/2022ss/bs/20220328> ls -l test.txt bla.txt
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt
		cassini/home/peter/bo/2022ss/bs/20220328> ls -l test.txt bla.txt >> ls.txt
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden
		cassini/home/peter/bo/2022ss/bs/20220328> ls -l test.txt bla.txt 2> ls.err
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt
		cassini/home/peter/bo/2022ss/bs/20220328> cat ls.err
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden
		cassini/home/peter/bo/2022ss/bs/20220328> ls -l test.txt bla.txt > ls.both 2>&1
		cassini/home/peter/bo/2022ss/bs/20220328> cat ls.both
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt

20220328/test.bc

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		1 + 1

20220328/test.txt

deleted100644 → 0

+0 −2

Original line number	Diff line number	Diff line
		Test
		Noch ein Test.

20220328/test.txt.gz

deleted100644 → 0

−38 B

File deleted.

View file

20220328/wildcards-1.txt

deleted100644 → 0

+0 −6

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> ls *.txt
		for-1.txt if-0.txt if-2.txt pipes-2.txt test.txt
		for-2.txt if-1.txt if-3.txt test-2.txt
		cassini/home/peter/bo/2022ss/bs/20220314> echo mv -i {for,if,pipes}-*.txt ../20220321/
		mv -i for-1.txt for-2.txt if-0.txt if-1.txt if-2.txt if-3.txt pipes-2.txt ../20220321/
		cassini/home/peter/bo/2022ss/bs/20220314> mv -i {for,if,pipes}-*.txt ../20220321/

20220328/wildcards-2.txt

deleted100644 → 0

+0 −15

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220321> ls *.txt
		for-1.txt if-0.txt if-2.txt pipes-2.txt test-2.txt test-4.txt
		for-2.txt if-1.txt if-3.txt test-1.txt test-3.txt wildcards-1.txt
		cassini/home/peter/bo/2022ss/bs/20220321> ls *.txt \| grep -v test
		for-1.txt
		for-2.txt
		if-0.txt
		if-1.txt
		if-2.txt
		if-3.txt
		pipes-2.txt
		wildcards-1.txt
		cassini/home/peter/bo/2022ss/bs/20220321> echo mv $(ls *.txt \| grep -v test) ../20220328/
		mv for-1.txt for-2.txt if-0.txt if-1.txt if-2.txt if-3.txt pipes-2.txt wildcards-1.txt ../20220328/
		cassini/home/peter/bo/2022ss/bs/20220321> mv $(ls *.txt \| grep -v test) ../20220328/

20220314/Operating_system_placement-de.pdf→20250324/Operating_system_placement-de.pdf

+0 −0

File moved.

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

0 → 100644

+109 KiB

File added.

No diff preview for this file type.

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20220314/bs-20220314.tex→20250324/bs-20250324.tex

+35 −24

Original line number	Diff line number	Diff line
		% bs-20220314.pdf - Lecture Slides on Operating Systems
		% Copyright (C) 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Peter Gerwinski
		% bs-20250324.pdf - Lecture Slides on Operating Systems
		% Copyright (C) 2014-2024, 2025 Peter Gerwinski
		%
		% This document is free software: you can redistribute it and/or
		% modify it either under the terms of the Creative Commons
		@@ -20,12 +20,14 @@
		% Attribution-ShareAlike 3.0 Unported License along with this
		% document. If not, see <http://creativecommons.org/licenses/>.

		% README: Einführung, Unix

		\documentclass[10pt,t]{beamer}

		\usepackage{pgslides}
		\usepackage{rotating}
		\usepackage{pdftricks}
		\usepackage[obeyfamily=false,mathrm=mathsf,textrm=sffamily]{siunitx}
		% \usepackage[obeyfamily=false,mathrm=mathsf,textrm=sffamily]{siunitx}
		\usepackage{eurosym}
		\usepackage{tikz}

		@@ -41,21 +43,21 @@

		\title{Treiberentwicklung,\\[\medskipamount]Echtzeit- und Betriebssysteme}
		\author{Prof.\ Dr.\ rer.\ nat.\ Peter Gerwinski}
		\date{14.\ März 2022}
		\date{24.\ März 2025}

		\begin{document}

		\newlength{\normalpdfpageheight}
		\setlength{\normalpdfpageheight}{\pdfpageheight}
		\newlength{\normalpageheight}
		\setlength{\normalpageheight}{\pageheight}

		\maketitleframe

		\date{\begin{picture}(0,0)
		\color{red}
		\put(0.4,1.05){\makebox(0,0)[t]{$\underbrace{\rule{1.45cm}{0pt}}_{%
		\put(0.4,1.02){\makebox(0,0)[t]{$\underbrace{\rule{1.45cm}{0pt}}_{%
		\mbox{\emph{rerum naturalium\/} = der natürlichen Dinge (lat.)}}$}}
		\end{picture}%
		14.\ März 2022\kern0.5pt}
		24.\ März 2025}

		\maketitleframe

		@@ -63,37 +65,46 @@

		\maketitleframe

		\sectionnonumber{Vorab: Online-Werkzeuge}
		\sectionnonumber{Zu dieser Lehrveranstaltung}

		\begin{frame}

		\showsectionnonumber

		\begin{itemize}
		\item
		Bitte nach Möglichkeit \textbf{eigenen Computer} (Notebook) mitbringen.
		\item
		\textbf{Lehrmaterialien:} \url{https://gitlab.cvh-server.de/pgerwinski/bs}\\
		Links auf die Datei klicken, nicht mittig auf den Kommentar.
		% \item
		% \textbf{Praktikum:} 3 Termine (nach Vereinbarung),\\
		% eine Gruppe Dienstag, 10:30--14:15 Uhr,\\
		% weitere Gruppen Mittwoch, 14:15--18:00 Uhr
		\item
		% \textbf{Prüfungsform: Klausur}
		\textbf{Prüfungsform: Hausarbeit mit Kolloquium}
		\end{itemize}
		\bigskip
		\textbf{Online-Teilnahme:}
		\begin{itemize}
		\item
		\textbf{Mumble}: Seminarraum 2\\
		Fragen: Mikrophon einschalten oder über den Chat\\
		Fragen: Mikrofon einschalten oder über den Chat\\
		Umfragen: über den Chat
		\smallskip
		\item
		\textbf{VNC}: Kanal 6, Passwort: \lstinline[style=cmd]{testcvh}\\
		Eigenen Bildschirm freigeben: per VNC-Server oder Web-Interface\\
		Kamerabild übertragen: Link zu Web-Interface auf Anfrage
		\smallskip
		\item
		Allgemeine Informationen:
		\url{https://www.cvh-server.de/online-werkzeuge/}
		\smallskip
		\item
		Notfall-Schnellzugang: \url{https://www.cvh-server.de/virtuelle-raeume/}\\
		Seminarraum 2, VNC-Passwort: \lstinline[style=cmd]{testcvh}
		\smallskip
		\item
		Bei Problemen: bitte notieren:\\
		Art des Problems, genaue Uhrzeit, JavaScript-Fehlermeldungen (F12)
		\bigskip
		\item
		GitLab: \url{https://gitlab.cvh-server.de/pgerwinski/bs}\\
		Links auf die Datei klicken, nicht mittig auf den Kommentar.
		% \item
		% Bei Problemen: bitte notieren:\\
		% Art des Problems, genaue Uhrzeit, JavaScript-Fehlermeldungen (F12)
		\end{itemize}

		\end{frame}
		@@ -753,7 +764,7 @@

		\end{frame}

		\setlength{\pdfpageheight}{48cm}
		\setlength{\pageheight}{48cm}

		\begin{frame}[fragile]

		@@ -919,7 +930,7 @@

		\end{frame}

		\setlength{\pdfpageheight}{40.5cm}
		\setlength{\pageheight}{40.5cm}

		\begin{frame}[fragile]

		@@ -1149,7 +1160,7 @@

		\end{frame}

		\setlength{\pdfpageheight}{\normalpdfpageheight}
		\setlength{\pageheight}{\normalpageheight}

		%\sectionnonumber{Literaturempfehlung}
		%\subsectionnonumber{Automotive Embedded Systeme}

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>

20220314/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

File added.

No diff preview for this file type.

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20220314/unix-20220314.tex→20250324/unix-20250324.tex

+10 −6

Original line number	Diff line number	Diff line
		% unix-20220314.pdf - Lecture Slides on Unix Fundamentals
		% Copyright (C) 2013, 2015, 2016, 2017, 2018, 2021, 2022 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
		@@ -25,12 +25,12 @@
		\usepackage{pgslides}
		\usepackage{rotating}
		\usepackage{pdftricks}
		\usepackage[obeyfamily=false,mathrm=mathsf,textrm=sffamily]{siunitx}
		% \usepackage[obeyfamily=false,mathrm=mathsf,textrm=sffamily]{siunitx}
		\usepackage{eurosym}

		\title{Einführung in Unix}
		\author{Prof.\ Dr.\ rer.\ nat.\ Peter Gerwinski}
		\date{14.\ März 2022}
		\date{24.\ März 2024}

		\begin{document}

		@@ -99,7 +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}
		@@ -233,14 +233,18 @@
		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 $FOO¿
		cassini/home/peter/bo> ¡echo "$FOO"¿
		ls
		cassini/home/peter/bo> ¡$FOO¿
		2011ws 2012ws 2013ws doc misc projekte

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

20220321/bs-20220321.tex→20250331/bs-20250331.tex

+47 −33

Original line number	Diff line number	Diff line
		% bs-20220321.pdf - Lecture Slides on Operating Systems
		% Copyright (C) 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Peter Gerwinski
		% bs-20250331.pdf - Lecture Slides on Operating Systems
		% Copyright (C) 2014-2024, 2025 Peter Gerwinski
		%
		% This document is free software: you can redistribute it and/or
		% modify it either under the terms of the Creative Commons
		@@ -20,12 +20,14 @@
		% Attribution-ShareAlike 3.0 Unported License along with this
		% document. If not, see <http://creativecommons.org/licenses/>.

		% README: Unix

		\documentclass[10pt,t]{beamer}

		\usepackage{pgslides}
		\usepackage{rotating}
		\usepackage{pdftricks}
		\usepackage[obeyfamily=false,mathrm=mathsf,textrm=sffamily]{siunitx}
		% \usepackage[obeyfamily=false,mathrm=mathsf,textrm=sffamily]{siunitx}
		\usepackage{eurosym}
		\usepackage{tikz}

		@@ -41,21 +43,21 @@

		\title{Treiberentwicklung,\\[\medskipamount]Echtzeit- und Betriebssysteme}
		\author{Prof.\ Dr.\ rer.\ nat.\ Peter Gerwinski}
		\date{21.\ März 2022}
		\date{31.\ März 2025}

		\begin{document}

		\newlength{\normalpdfpageheight}
		\setlength{\normalpdfpageheight}{\pdfpageheight}
		\newlength{\normalpageheight}
		\setlength{\normalpageheight}{\pageheight}

		\maketitleframe

		\date{\begin{picture}(0,0)
		\color{red}
		\put(0.4,1.05){\makebox(0,0)[t]{$\underbrace{\rule{1.45cm}{0pt}}_{%
		\put(0.4,1.02){\makebox(0,0)[t]{$\underbrace{\rule{1.45cm}{0pt}}_{%
		\mbox{\emph{rerum naturalium\/} = der natürlichen Dinge (lat.)}}$}}
		\end{picture}%
		21.\ März 2022\kern0.5pt}
		31.\ März 2025}

		\maketitleframe

		@@ -63,37 +65,46 @@

		\maketitleframe

		\sectionnonumber{Vorab: Online-Werkzeuge}
		\sectionnonumber{Zu dieser Lehrveranstaltung}

		\begin{frame}

		\showsectionnonumber

		\begin{itemize}
		\item
		Bitte nach Möglichkeit \textbf{eigenen Computer} (Notebook) mitbringen.
		\item
		\textbf{Lehrmaterialien:} \url{https://gitlab.cvh-server.de/pgerwinski/bs}\\
		Links auf die Datei klicken, nicht mittig auf den Kommentar.
		% \item
		% \textbf{Praktikum:} 3 Termine (nach Vereinbarung),\\
		% eine Gruppe Dienstag, 10:30--14:15 Uhr,\\
		% weitere Gruppen Mittwoch, 14:15--18:00 Uhr
		\item
		% \textbf{Prüfungsform: Klausur}
		\textbf{Prüfungsform: Hausarbeit mit Kolloquium}
		\end{itemize}
		\bigskip
		\textbf{Online-Teilnahme:}
		\begin{itemize}
		\item
		\textbf{Mumble}: Seminarraum 2\\
		Fragen: Mikrophon einschalten oder über den Chat\\
		Fragen: Mikrofon einschalten oder über den Chat\\
		Umfragen: über den Chat
		\smallskip
		\item
		\textbf{VNC}: Kanal 6, Passwort: \lstinline[style=cmd]{testcvh}\\
		Eigenen Bildschirm freigeben: per VNC-Server oder Web-Interface\\
		Kamerabild übertragen: Link zu Web-Interface auf Anfrage
		\smallskip
		\item
		Allgemeine Informationen:
		\url{https://www.cvh-server.de/online-werkzeuge/}
		\smallskip
		\item
		Notfall-Schnellzugang: \url{https://www.cvh-server.de/virtuelle-raeume/}\\
		Seminarraum 2, VNC-Passwort: \lstinline[style=cmd]{testcvh}
		\smallskip
		\item
		Bei Problemen: bitte notieren:\\
		Art des Problems, genaue Uhrzeit, JavaScript-Fehlermeldungen (F12)
		\bigskip
		\item
		GitLab: \url{https://gitlab.cvh-server.de/pgerwinski/bs}\\
		Links auf die Datei klicken, nicht mittig auf den Kommentar.
		% \item
		% Bei Problemen: bitte notieren:\\
		% Art des Problems, genaue Uhrzeit, JavaScript-Fehlermeldungen (F12)
		\end{itemize}

		\end{frame}
		@@ -119,7 +130,7 @@

		Was ist ein Betriebssystem?

		\pause
		% \pause
		\strut\hfill
		\begin{picture}(0,0)
		\put(0,1.5){\makebox(0,0)[tr]{\includegraphics[height=7cm]{Operating_system_placement-de.pdf}}}
		@@ -128,11 +139,13 @@
		\item
		Software, die zwischen Hardware\\
		und Anwendung vermittelt
		\pause\bigskip
		% \pause
		\bigskip
		\item
		Mikro-Controller:\\
		Anwendung greift \emph{direkt\/} auf Hardware zu
		\pause\bigskip
		% \pause
		\bigskip
		\item
		Eingebettetes System:\\
		Anwendung startet automatisch
		@@ -140,11 +153,12 @@
		Arbeitsplatz-Computer:
		\newterm{Oberfläche (Shell)}\\
		Benutzer*in wählt Anwendung aus
		\pause\bigskip
		% \pause
		\bigskip
		\item
		Ressourcen-Verwaltung
		\end{itemize}
		\pause
		% \pause
		\begin{picture}(0,0)
		\put(7.5,6.1){\makebox(0,0)[bl]{\tikz{\draw[line width=1pt] (0,0)--(4.6,1.5);}}}
		\put(7.5,7.6){\makebox(0,0)[tl]{\tikz{\draw[line width=1pt] (0,0)--(4.6,-1.5);}}}
		@@ -213,7 +227,7 @@
		neu: Betriebssysteme
		\end{itemize}

		\pause
		% \pause
		\medskip

		Statt Klausur: Projektaufgabe, z.\,B.:
		@@ -222,7 +236,7 @@
		neuartiger Treiber (z.\,B.\ für neuartige Hardware)
		\item
		neuartige Echtzeit-Funktionalität
		\begin{onlyenv}<3->
		\begin{onlyenv}<1->
		\begin{picture}(0,0)
		\color{red}
		\put(0.3,0.25){\makebox(0,0)[tl]{\begin{minipage}{6.2cm}
		@@ -243,8 +257,8 @@
		Sonstiges
		\end{itemize}

		\pause
		\pause
		% \pause
		% \pause
		\medskip

		Wiederholung:
		@@ -753,7 +767,7 @@

		\end{frame}

		\setlength{\pdfpageheight}{48cm}
		\setlength{\pageheight}{48cm}

		\begin{frame}[fragile]

		@@ -919,7 +933,7 @@

		\end{frame}

		\setlength{\pdfpageheight}{40.5cm}
		\setlength{\pageheight}{40.5cm}

		\begin{frame}[fragile]

		@@ -1149,7 +1163,7 @@

		\end{frame}

		\setlength{\pdfpageheight}{\normalpdfpageheight}
		\setlength{\pageheight}{\normalpageheight}

		%\sectionnonumber{Literaturempfehlung}
		%\subsectionnonumber{Automotive Embedded Systeme}

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>

20220314/hello.c→20250331/hello-01.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -5,4 +5,3 @@ int main (void)
		printf ("Hello, world!\n");
		return 0;
		}
		Test

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>

20220321/pgslides.sty→20250331/pgslides.sty

+0 −0

File moved.

20250331/pipes-01.txt

0 → 100644

+13 −0

Original line number	Diff line number	Diff line
		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

0 → 100644

+27 −0

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

0 → 100644

+20 −0

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>

20250331/pipes-04.txt

0 → 100644

+1 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> echo "2 + 2" \| gzip \| cat \| gunzip \| bc4cassini/home/peter/bo/2025ss/bs/20250331>

20250331/pipes-05.txt

0 → 100644

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		cassini/home/peter/bo/2025ss/bs/20250331> echo "2 + 2" \| sed -e 's/2/4/g' \| gzip \| cat \| gunzip \| bc
		8
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/regexp-01.txt

0 → 100644

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		cassini/home/peter/bo/2025ss/bs/20250331> echo "Dies ist ebenfalls ein Teeeeeeeest!" > test-4.txt
		cassini/home/peter/bo/2025ss/bs/20250331> grep Test test-*.txt
		test-1.txt:Dies ist ein Test.
		test-2.txt:Dies ist ebenfalls ein Test.
		test-3.txt:Dies ist noch ein weiterer Test.
		cassini/home/peter/bo/2025ss/bs/20250331> grep "Test" test-.txt
		test-1.txt:Dies ist ein Test.
		test-2.txt:Dies ist ebenfalls ein Test.
		test-3.txt:Dies ist noch ein weiterer Test.
		test-4.txt:Dies ist ebenfalls ein Teeeeeeeest!
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/regexp-02.txt

0 → 100644

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		cassini/home/peter/bo/2025ss/bs/20250331> echo "Auch dies ist ein Tst." > test-5.txt cassini/home/peter/bo/2025ss/bs/20250331> grep "Test" test-.txt
		test-1.txt:Dies ist ein Test.
		test-2.txt:Dies ist ebenfalls ein Test.
		test-3.txt:Dies ist noch ein weiterer Test.
		test-4.txt:Dies ist ebenfalls ein Teeeeeeeest!
		test-5.txt:Auch dies ist ein Tst.
		cassini/home/peter/bo/2025ss/bs/20250331>

20250331/regexp-03.txt

0 → 100644

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Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250331> echo "DieS iSt ein Täääst! ;-)" > test-6.txt
		cassini/home/peter/bo/2025ss/bs/20250331> grep "Test" test-.txt
		test-1.txt:Dies ist ein Test.
		test-2.txt:Dies ist ebenfalls ein Test.
		test-3.txt:Dies ist noch ein weiterer Test.
		test-4.txt:Dies ist ebenfalls ein Teeeeeeeest!
		test-5.txt:Auch dies ist ein Tst.
		cassini/home/peter/bo/2025ss/bs/20250331> grep "T[eä]st" test-.txt
		test-1.txt:Dies ist ein Test.
		test-2.txt:Dies ist ebenfalls ein Test.
		test-3.txt:Dies ist noch ein weiterer Test.
		test-4.txt:Dies ist ebenfalls ein Teeeeeeeest!
		test-5.txt:Auch dies ist ein Tst.
		test-6.txt:DieS iSt ein Täääst! ;-)
		cassini/home/peter/bo/2025ss/bs/20250331>

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common/pgscript.sty

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