#!/bin/bash var1=hallo var2=hello var3="welt" var4="world" echo $var1 echo $var2 echo $var3 echo $var4 for s in "Hallo " "Welt " "sagt " "David " "Vajda " do echo $s done if [ $var1 == $var2 ] then echo $var1 else echo $var2 fi while [ $var1 == $var2 ] do echo $var1 done