time xclock &

nice -n 10 firefox &

nohup firefox &

ls -l < tmp.dat > output.dat

ls -al . | grep "^d" | wc -l

ls -l demo.sh 

chmod u+x demo.sh 

!

du --si -s .

cat Waerme-Tiefe-Tabelle.dat | expand -t 1 | tr "," "." | cut -d " " -f 1,2,4,5 > output.txt

ps -u $USERNAME -f 

ps -u $USERNAME -l | grep firefox

ps -u $USERNAME | cut -d " " -f 1 | sort -u 

mail -s "Testmail vom CIP-Pool" jens.oeser@lmu.de

ssh cip50.cipmath.loc 

ssh -l gkd12cy cip50.cipmath.loc

ssh -l gkd12cy cip50.cipmath.loc "uname -a; uptime"

ssh cip50.cipmath.loc -X "firefox"

ssh-keygen -t rsa 

ssh-copy-id -i .ssh/id_rsa.pub gkd12cy@cip35

sftp gkd12cy@cip35

scp gkd12cy@cip35:kraft.txt kopie.txt

locate tiger

file tiger.eps.gz && gunzip tiger.eps.gz

head -n 20 tiger.eps 

a2ps --output=force.ps force.dat 

rm -rf tmp/

pdfjoin --outfile output.pdf tiger.pdf force.pdf 

mkdir -p $PWD/tmp

pdfimages -j ../DV-Geophysik.pdf DV-Bilder

pdf90 --outfile tiger-90.pdf tiger.pdf 

apropos pdf

info pdftk

alias kurz="ls -la tmp | grep "^d" | wc -l "

cal -y 2020

basename /home/cip/gkd12aa/Desktop/messwerte.dat 

dirname /home/cip/gkd12aa/Desktop/messwerte.dat 

echo "(2*3+6.128934)/5.39845" | bc -l

ergeb=$( echo "(2*3+6.128934)/5.39845" | bc -l )

echo "Das Ergebnis der Berechnung lautet: $ergeb"

date +%Y

echo $?

./demo.sh dateiname.txt 34 595