I don't know if this works in any unix, but for me works in AIX and Linux.
Sorting CPU usage:
# ps -eo pid,user,%cpu,args --sort %cpu
Source: Kairo Araujo
First of all, let me say that I'm not defending any version of windows, so this is become the same old bullshit all the time.
LINUX runs the Google servers that manage billions of searches each day. It also runs the TiVo digital video recorder, the Motorola Razr cellphone and countless other electronic devices.