Finish one or more processes with the same name or the specified PID.     
 
 
 
 

Tested in the following systems: Linux 2.2.5.15, AIX 4.3, IRIX 6.3, HP-UX B.10.20 and SunOS 5.6. If you have tried in a different system and it functioned (or not), please, let  me know.
 
 

Thanks to Extreme for the statistics.