Top is amongst the most comprehensive and informative process display command in Linux. There's no reason for a seasoned Linux sysadmin like myself not to know it! Top can display all the information you need to know about processes and systems information in a sorted manner.
In this post I want myself to be reminded of only the MOST USEFUL commands used in TOP and the rest I'm going to forget them!
h - Help - Yes, use it if you're as forgetful as me.
M - Sort by memory usage
P - Sort by CPU usage
c - Display path and exact command
z - Change colours - I hate Black & White
u - Display only processes owned by a specific user, enter nothing for All
q - Quit or you can crtl-c to kill it.
I think that's really the minimum options a sysadmin should know. I would refer to the MAN page if I was ever stressed to find out more.
Tuesday, June 17, 2008
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