KILL
Section: User Commands (1)
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BSD mandoc
NAME
kill
- terminate or signal a process
SYNOPSIS
[-s signal_name
]
pid
...
-l
[exit_status
]
-signal_name
pid
...
-signal_number
pid
...
DESCRIPTION
The kill utility sends a signal to the processes specified
by the pid operand(s).
Only the super-user may send signals to other users' processes.
The options are as follows:
- -s signal_name
-
A symbolic signal name specifying the signal to be sent instead of the
default
TERM
- -l [exit_status
]
-
If no operand is given, list the signal names; otherwise, write
the signal name corresponding to
exit_status
- -signal_name
-
A symbolic signal name specifying the signal to be sent instead of the
default
TERM
- -signal_number
-
A non-negative decimal integer, specifying the signal to be sent instead
of the default
TERM
The following pids have special meanings:
- -1
-
If superuser, broadcast the signal to all processes; otherwise broadcast
to all processes belonging to the user.
Some of the more commonly used signals:
- 1
-
HUP (hang up)
- 2
-
INT (interrupt)
- 3
-
QUIT (quit)
- 6
-
ABRT (abort)
- 9
-
KILL (non-catchable, non-ignorable kill)
- 14
-
ALRM (alarm clock)
- 15
-
TERM (software termination signal)
is a built-in to
csh(1);
it allows job specifiers of the form ``%...'' as arguments
so process id's are not as often used as
arguments.
See
csh(1)
for details.
SEE ALSO
csh(1),
ps(1),
kill(2),
sigaction(2)
STANDARDS
The
function is expected to be
St -p1003.2
compatible.
HISTORY
A
command appeared in
AT&T System
v6 .
BUGS
A replacement for the command
``kill 0
''
for
csh(1)
users should be provided.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- SEE ALSO
-
- STANDARDS
-
- HISTORY
-
- BUGS
-
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Time: 04:29:39 GMT, April 24, 2025