1KILL(1) General Commands Manual KILL(1)
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6 kill - terminate a process with extreme prejudice
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9 kill [ -signo ] processid ...
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12 Kill sends signal 15 (terminate) to the specified processes. If a sig‐
13 nal number preceded by `-' is given as first argument, that signal is
14 sent instead of terminate (see signal(2)). This will kill processes
15 that do not catch the signal; in particular `kill -9 ...' is a sure
16 kill.
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18 By convention, if process number 0 is specified, all members in the
19 process group (i.e. processes resulting from the current login) are
20 signaled.
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22 The killed processes must belong to the current user unless he is the
23 super-user. To shut the system down and bring it up single user the
24 super-user may use `kill -1 1'; see init(8).
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26 The process number of an asynchronous process started with `&' is
27 reported by the shell. Process numbers can also be found by using
28 ps(1).
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31 ps(1), kill(2), signal(2)
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35 KILL(1)