#!/bin/bash
var0=0
LIMIT=10

while [ "$var0" -lt "$LIMIT" ]
	do
	echo -n "$var0 " 
	var0=`expr $var0 + 1` 
		# var0=$(($var0+1)) also works.
		# var0=$((var0 + 1)) also works.
		# let "var0 += 1" also works.
	done 
echo
exit 0
