Full Discussion: Kill -9 -1 combination
Top Forums UNIX for Beginners Questions & Answers Kill -9 -1 combination Post 303040961 by zxmaus on Sunday 10th of November 2019 10:21:26 PM
never EVER run this command as root - as it will inevitably cause your system to restart.
If run as normal user, it will in all likelyhood kill all processes running as this user at once - including the user shell the user is in (so you will be kicked out)
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Charles Babbage was a British mathematician and inventor, known as the 'Father of the Computer'. He designed a mechanical computer called the Analytical Engine which was an early forerunner of the modern computer.
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kill(1) 						      General Commands Manual							   kill(1)

Name
       kill - send a signal to a process

Syntax
       kill [-sig] processid...
       kill -l

Description
       The command sends the TERM (terminate, 15) signal to the specified processes.  If a signal name or number preceded by `-' is given as first
       argument, that signal is sent instead of terminate.  For further information, see

       The terminate signal kills processes that do not catch the signal; `kill -9 ...' is a sure kill, as the KILL (9) signal cannot  be  caught.
       By convention, if process number 0 is specified, all members in the process group (that is, processes resulting from the current login) are
       signaled.  This works only if you use and not if you use To kill a process it must either belong to you or you must be superuser.

       The process number of an asynchronous process started with `&' is reported by the shell.  Process numbers can also be  found  by  using	It
       allows job specifiers ``%...''  so process ID's are not as often used as arguments.  See for details.

Options
       -l   Lists  signal  names.  The signal names are listed by `kill -l', and are as given in /usr/include/signal.h, stripped of the common SIG
	    prefix.

See Also
       csh(1), ps(1), kill(2), sigvec(2)

																	   kill(1)

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