/media/sda-magnetic/david/Dokumente-15/fernuni-hagen/cs-i-ii/old-cs-2-03/bash-programming/lex-yacc-bash-etc/bash0039.sh

#!/bin/bash 

# ./skript.sh
# /bin/bash ./skript.sh
# bash skript.sh

# Dies ist ein Kommentar

echo "Dies ist eine Ausgabe"

var1=Hallo
var2=Welt

echo $var1
echo $var2

if [ $var1 == $var2 ]
then 
    echo $var1
else 
    echo $var2
fi

while [ $var1 == $var2 ]
do 
    echo $var1
done

for var3 in "a " "b " "c "
do
    echo $var3
done

typeset -i i=3
i=$(( 4 ))
i=$(( 4+4 ))

while [ $i -l 50 ]
do
    echo $i
    i=$(( $i+1 ))
done

useradd
userdel
usermod
groupadd
groupdel
groupmod
id
passwd
newgrp

mmv
mv
mkdir
rmdir
rm

blkid
mount/umount
exit
touch 
unlink

diff
comm
ls
ln

lsof
lsblk

dd
basename 
shred