/media/sda-magnetic/david/Extern-Magnetic-2022-06-29/Extern01/Dokumente-2020-11-16/disk10-ab-2020-01-10/02-debian-pc2-work/informatik/bash-programming/lex-yacc-bash-etc/bash0019.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=50;

j=$(( 4 ))
j=$(( 4+4 ))

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

usradd
usrdel
usrmod
newgrp
grpdel
grpadd
grpmod
chfn
chsh
id
passwd

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