/media/sda-magnetic/david/Extern-Magnetic-2022-06-29/Extern01/Dokumente-11-2021-07-05/informatik-math/informatik2/bash-programming/lex-yacc-bash-etc/bash0020.sh

#!/bin/bash 

# Dies ist ein Kommentar

echo "Hallo Welt"

var1=Hallo
var2="Hallo Welt"

echo $var1
echo $var2

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

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

for i in "Hallo " "Welt " "sagt " "David " "Vajda "
do
  echo $i
done 

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

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

usradd
usrdel
usrmod
newgrp
grpadd
grpdel
grpmod
chfn
chsh
id
passwd 

rm
rmdir
cd
cp
mv
mmv
ln
ls
man
info
exit
mkdir
pwd
cat
echo