#!/bin/bash before=$(free) #echo "before freemem" >/tmp/free #echo $before >>/tmp/free sync && echo 3 > /proc/sys/vm/drop_caches after=$(free) #echo "after freemem" >>/tmp/free #echo $after >>/tmp/free zenity --info --text="Before FreeMem \n $before \n \n After FreeMem \n $after" #zenity --text-info --filename=/tmp/free #rm /tmp/free