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Unix is a multitasking, multi-user computer operating system originally developed in 1969.

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Why is the "kill" command called so?

In Unix all processes except init have parents, and any process which spawns other processes has children. … Unix Archaeology From the manual page from version 4 of Unix (the version where kill was introduced, along with ps) we find: NAME kill - do in an unwanted process SYNOPSIS kill processid …
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