Certain processes are vital to the computer's operation and should not be killed. For example, after I took the screenshot of myself being attacked by csh,

Certain processes are vital to the computer's operation and should not be killed. For example, after I took the screenshot of myself being attacked by csh, csh was shot by friendly fire from behind, possibly by tcsh or xv, and my session was abruptly terminated. Haha, this is nuts :)