Hi Phil Thank you very much for your reply, that was really helpful, I am getting with the su -jku the cpu time, and I don't really understand the k output, the help says it is "Sort the output by cpu time average memory usage." So, to get the actual average physical memory used by the process, I should multiply this value by the cpu time value? and is there any way I can get the virtual memory average consumption as well? Thank you very much, I appreciate your help, Manal
