"psDooM is a process monitor and manager for *nix systems. It could be considered a graphical interface to the 'ps', 'renice', and 'kill' commands. psDooM is based on XDoom, which is based on id Software's 'Doom'."
Самое интересное на скриншоте - http://psdoom.sourceforge.net/ss1.html
Не знал что такое бывает... %)