Reminds me of the memtool on lower versions of Solaris http://www.solarisinternals.com/si/tools/memtool/index.php which is really a nice to have in Linux Given the issues Tanel mentioned.. I'm using this http://www.pixelbeat.org/scripts/ps_mem.py script to give me an estimate -- Karl Arao karlarao.wordpress.com karlarao.tiddlyspot.com