/media/sda-magnetic/david/david2/david2/Dokumente/informatik/linux/bash/0004/variable.sh

#!/bin/bash 

var1="Hallo"
var2="Hallo Welt"

echo "$var1"
echo "$var2"

unset var1
unset var2

hallo="Hallo"
hallololo="Hallo Welt"

echo "${hallo}lolo"