/media/sda-magnetic/david/david2/david2/Dokumente/informatik/linux/learn-linux/bash/0001/variable.sh

#!/bin/bash 

var1=Hallo
var2=" Welt"

echo "$var1 $var2"

unset var1 
unset var2 

hallololo="Hallo Welt"
hallo="Hallo"

echo "$hallololo"
echo "${hallo}lolo"