You'll have to ask your operating system.
Check CPAN. If PS can reveal that info for you, there is a module which parses PS output on CPAN.
update: Unix::Process, Proc::ProcessTable...
| MJD says "you can't just make shit up and expect the computer to know what you mean, retardo!" |
| I run a Win32 PPM repository for perl 5.6.x and 5.8.x -- I take requests (README). |
| ** The third rule of perl club is a statement of fact: pod is sexy. |