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Man Pages


Manual Reference Pages  - KILLALL (1)

NAME

killall - kill processes by name

CONTENTS

Synopsis
Description
All Processes
Exit Status
Diagnostics
See Also
History
Authors

SYNOPSIS

killall [-delmsvz] [-help] [-j jid] [-u user] [-t tty] [-c procname] [-SIGNAL] [procname ...]

DESCRIPTION

The killall utility kills processes selected by name, as opposed to the selection by pid as done by kill(1). By default, it will send a TERM signal to all processes with a real UID identical to the caller of killall that match the name procname. The super-user is allowed to kill any process.

The options are as follows:
-d -| -v
  Be more verbose about what will be done. For a single -d option, a list of the processes that will be sent the signal will be printed, or a message indicating that no matching processes have been found.
-e Use the effective user ID instead of the (default) real user ID for matching processes specified with the -u option.
-help Give a help on the command usage and exit.
-l List the names of the available signals and exit, like in kill(1).
-m Match the argument procname as a (case sensitive) regular expression against the names of processes found. CAUTION! This is dangerous, a single dot will match any process running under the real UID of the caller.
-s Show only what would be done, but do not send any signal.
-SIGNAL
  Send a different signal instead of the default TERM. The signal may be specified either as a name (with or without a leading SIG), or numerically.
-j jid Kill processes in the jail specified by jid.
-u user
  Limit potentially matching processes to those belonging to the specified user.
-t tty Limit potentially matching processes to those running on the specified tty.
-c procname
  When used with the -u or -t flags, limit potentially matching processes to those matching the specified procname.
-z Do not skip zombies. This should not have any effect except to print a few error messages if there are zombie processes that match the specified pattern.

ALL PROCESSES

Sending a signal to all processes with uid XYZ is already supported by kill(1). So use kill(1) for this job (e.g. $ kill -TERM -1 or as root $ echo kill -TERM -1 | su -m <user>)

EXIT STATUS

The killall command will respond with a short usage message and exit with a status of 2 in case of a command error. A status of 1 will be returned if either no matching process has been found or not all processes have been signalled successfully. Otherwise, a status of 0 will be returned.

DIAGNOSTICS

Diagnostic messages will only be printed if requested by -d options.

SEE ALSO

kill(1), pkill(1), sysctl(3), jail(8)

HISTORY

The killall command appeared in
.Fx 2.1 . It has been modeled after the killall command as available on other platforms.

AUTHORS


.An -nosplit The killall program was originally written in Perl and was contributed by
.An Wolfram Schneider , this manual page has been written by
.An J\(:org Wunsch . The current version of killall was rewritten in C by
.An Peter Wemm using sysctl(3).
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January 26, 2004 KILLALL (1)

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