<commit_before>.\"	$NetBSD: pkill.1,v 1.8 2003/02/14 15:59:18 grant Exp $
.\"
.\" $FreeBSD$
.\"
.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by <NAME>.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd February 11, 2010
.Dt PKILL 1
.Os
.Sh NAME
.Nm pgrep , pkill
.Nd find or signal processes by name
.Sh SYNOPSIS
.Nm pgrep
.Op Fl LSafilnoqvx
.Op Fl F Ar pidfile
.Op Fl G Ar gid
.Op Fl M Ar core
.Op Fl N Ar system
.Op Fl P Ar ppid
.Op Fl U Ar uid
.Op Fl d Ar delim
.Op Fl g Ar pgrp
.Op Fl j Ar jid
.Op Fl s Ar sid
.Op Fl t Ar tty
.Op Fl u Ar euid
.Ar pattern ...
.Nm pkill
.Op Fl Ar signal
.Op Fl ILafinovx
.Op Fl F Ar pidfile
.Op Fl G Ar gid
.Op Fl M Ar core
.Op Fl N Ar system
.Op Fl P Ar ppid
.Op Fl U Ar uid
.Op Fl g Ar pgrp
.Op Fl j Ar jid
.Op Fl s Ar sid
.Op Fl t Ar tty
.Op Fl u Ar euid
.Ar pattern ...
.Sh DESCRIPTION
The
.Nm pgrep
command searches the process table on the running system and prints the
process IDs of all processes that match the criteria given on the command
line.
.Pp
The
.Nm pkill
command searches the process table on the running system and signals all
processes that match the criteria given on the command line.
.Pp
The following options are available:
.Bl -tag -width ".Fl F Ar pidfile"
.It Fl F Ar pidfile
Restrict matches to a process whose PID is stored in the
.Ar pidfile
file.
.It Fl G Ar gid
Restrict matches to processes with a real group ID in the comma-separated
list
.Ar gid .
.It Fl I
Request confirmation before attempting to signal each process.
.It Fl L
The
.Ar pidfile
file given for the
.Fl F
option must be locked with the
.Xr flock 2
syscall or created with
.Xr pidfile 3 .
.It Fl M Ar core
Extract values associated with the name list from the specified core
instead of the currently running system.
.It Fl N Ar system
Extract the name list from the specified system instead of the default,
which is the kernel image the system has booted from.
.It Fl P Ar ppid
Restrict matches to processes with a parent process ID in the
comma-separated list
.Ar ppid .
.It Fl S
Search also in system processes (kernel threads).
.It Fl U Ar uid
Restrict matches to processes with a real user ID in the comma-separated
list
.Ar uid .
.It Fl d Ar delim
Specify a delimiter to be printed between each process ID.
The default is a newline.
This option can only be used with the
.Nm pgrep
command.
.It Fl a
Include process ancestors in the match list.
By default, the current
.Nm pgrep
or
.Nm pkill
process and all of its ancestors are excluded (unless
.Fl v
is used).
.It Fl f
Match against full argument lists.
The default is to match against process names.
.It Fl g Ar pgrp
Restrict matches to processes with a process group ID in the comma-separated
list
.Ar pgrp .
The value zero is taken to mean the process group ID of the running
.Nm pgrep
or
.Nm pkill
command.
.It Fl i
Ignore case distinctions in both the process table and the supplied pattern.
.It Fl j Ar jid
Restrict matches to processes inside jails with a jail ID in the comma-separated
list
.Ar jid .
The value
.Dq Li any
matches processes in any jail.
The value
.Dq Li none
matches processes not in jail.
.It Fl l
Long output.
For
.Nm pgrep ,
print the process name in addition to the process ID for each matching
process.
If used in conjunction with
.Fl f ,
print the process ID and the full argument list for each matching process.
For
.Nm pkill ,
display the kill command used for each process killed.
.It Fl n
Select only the newest (most recently started) of the matching processes.
.It Fl o
Select only the oldest (least recently started) of the matching processes.
.It Fl q
Do not write anything to standard output.
.It Fl s Ar sid
Restrict matches to processes with a session ID in the comma-separated
list
.Ar sid .
The value zero is taken to mean the session ID of the running
.Nm pgrep
or
.Nm pkill
command.
.It Fl t Ar tty
Restrict matches to processes associated with a terminal in the
comma-separated list
.Ar tty .
Terminal names may be of the form
.Pa tty Ns Ar xx
or the shortened form
.Ar xx .
A single dash
.Pq Ql -
matches processes not associated with a terminal.
.It Fl u Ar euid
Restrict matches to processes with an effective user ID in the
comma-separated list
.Ar euid .
.It Fl v
Reverse the sense of the matching; display processes that do not match the
given criteria.
.It Fl x
Require an exact match of the process name, or argument list if
.Fl f
is given.
The default is to match any substring.
.It Fl Ns Ar signal
A non-negative decimal number or symbolic signal name specifying the signal
to be sent instead of the default
.Dv TERM .
This option is valid only when given as the first argument to
.Nm pkill .
.El
.Pp
If any
.Ar pattern
operands are specified, they are used as regular expressions to match
the command name or full argument list of each process.
If the
.Fl f
option is not specified, then the
.Ar pattern
will attempt to match the command name.
However, presently
.Fx
will only keep track of the first 19 characters of the command
name for each process.
Attempts to match any characters after the first 19 of a command name
will quietly fail.
.Pp
Note that a running
.Nm pgrep
or
.Nm pkill
process will never consider itself nor system processes (kernel threads) as
a potential match.
.Sh EXIT STATUS
The
.Nm pgrep
and
.Nm pkill
utilities
return one of the following values upon exit:
.Bl -tag -width indent
.It 0
One or more processes were matched.
.It 1
No processes were matched.
.It 2
Invalid options were specified on the command line.
.It 3
An internal error occurred.
.El
.Sh COMPATIBILITY
Historically the option
.Dq Fl j Li 0
means any jail, although in other utilities such as
.Xr ps 1
jail ID
.Li 0
has the opposite meaning, not in jail.
Therefore
.Dq Fl j Li 0
is deprecated, and its use is discouraged in favor of
.Dq Fl j Li any .
.Sh SEE ALSO
.Xr kill 1 ,
.Xr killall 1 ,
.Xr ps 1 ,
.Xr flock 2 ,
.Xr kill 2 ,
.Xr sigaction 2 ,
.Xr pidfile 3 ,
.Xr re_format 7
.\" Xr signal 7
.Sh HISTORY
The
.Nm pkill
and
.Nm pgrep
utilities
first appeared in
.Nx 1.6 .
They are modelled after utilities of the same name that appeared in Sun
Solaris 7.
They made their first appearance in
.Fx 5.3 .
.Sh AUTHORS
.An <NAME>
.Aq <EMAIL>
<commit_msg>Add -l to the synopsis<commit_after>.\"	$NetBSD: pkill.1,v 1.8 2003/02/14 15:59:18 grant Exp $
.\"
.\" $FreeBSD$
.\"
.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by <NAME>.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd February 11, 2010
.Dt PKILL 1
.Os
.Sh NAME
.Nm pgrep , pkill
.Nd find or signal processes by name
.Sh SYNOPSIS
.Nm pgrep
.Op Fl LSafilnoqvx
.Op Fl F Ar pidfile
.Op Fl G Ar gid
.Op Fl M Ar core
.Op Fl N Ar system
.Op Fl P Ar ppid
.Op Fl U Ar uid
.Op Fl d Ar delim
.Op Fl g Ar pgrp
.Op Fl j Ar jid
.Op Fl s Ar sid
.Op Fl t Ar tty
.Op Fl u Ar euid
.Ar pattern ...
.Nm pkill
.Op Fl Ar signal
.Op Fl ILafilnovx
.Op Fl F Ar pidfile
.Op Fl G Ar gid
.Op Fl M Ar core
.Op Fl N Ar system
.Op Fl P Ar ppid
.Op Fl U Ar uid
.Op Fl g Ar pgrp
.Op Fl j Ar jid
.Op Fl s Ar sid
.Op Fl t Ar tty
.Op Fl u Ar euid
.Ar pattern ...
.Sh DESCRIPTION
The
.Nm pgrep
command searches the process table on the running system and prints the
process IDs of all processes that match the criteria given on the command
line.
.Pp
The
.Nm pkill
command searches the process table on the running system and signals all
processes that match the criteria given on the command line.
.Pp
The following options are available:
.Bl -tag -width ".Fl F Ar pidfile"
.It Fl F Ar pidfile
Restrict matches to a process whose PID is stored in the
.Ar pidfile
file.
.It Fl G Ar gid
Restrict matches to processes with a real group ID in the comma-separated
list
.Ar gid .
.It Fl I
Request confirmation before attempting to signal each process.
.It Fl L
The
.Ar pidfile
file given for the
.Fl F
option must be locked with the
.Xr flock 2
syscall or created with
.Xr pidfile 3 .
.It Fl M Ar core
Extract values associated with the name list from the specified core
instead of the currently running system.
.It Fl N Ar system
Extract the name list from the specified system instead of the default,
which is the kernel image the system has booted from.
.It Fl P Ar ppid
Restrict matches to processes with a parent process ID in the
comma-separated list
.Ar ppid .
.It Fl S
Search also in system processes (kernel threads).
.It Fl U Ar uid
Restrict matches to processes with a real user ID in the comma-separated
list
.Ar uid .
.It Fl d Ar delim
Specify a delimiter to be printed between each process ID.
The default is a newline.
This option can only be used with the
.Nm pgrep
command.
.It Fl a
Include process ancestors in the match list.
By default, the current
.Nm pgrep
or
.Nm pkill
process and all of its ancestors are excluded (unless
.Fl v
is used).
.It Fl f
Match against full argument lists.
The default is to match against process names.
.It Fl g Ar pgrp
Restrict matches to processes with a process group ID in the comma-separated
list
.Ar pgrp .
The value zero is taken to mean the process group ID of the running
.Nm pgrep
or
.Nm pkill
command.
.It Fl i
Ignore case distinctions in both the process table and the supplied pattern.
.It Fl j Ar jid
Restrict matches to processes inside jails with a jail ID in the comma-separated
list
.Ar jid .
The value
.Dq Li any
matches processes in any jail.
The value
.Dq Li none
matches processes not in jail.
.It Fl l
Long output.
For
.Nm pgrep ,
print the process name in addition to the process ID for each matching
process.
If used in conjunction with
.Fl f ,
print the process ID and the full argument list for each matching process.
For
.Nm pkill ,
display the kill command used for each process killed.
.It Fl n
Select only the newest (most recently started) of the matching processes.
.It Fl o
Select only the oldest (least recently started) of the matching processes.
.It Fl q
Do not write anything to standard output.
.It Fl s Ar sid
Restrict matches to processes with a session ID in the comma-separated
list
.Ar sid .
The value zero is taken to mean the session ID of the running
.Nm pgrep
or
.Nm pkill
command.
.It Fl t Ar tty
Restrict matches to processes associated with a terminal in the
comma-separated list
.Ar tty .
Terminal names may be of the form
.Pa tty Ns Ar xx
or the shortened form
.Ar xx .
A single dash
.Pq Ql -
matches processes not associated with a terminal.
.It Fl u Ar euid
Restrict matches to processes with an effective user ID in the
comma-separated list
.Ar euid .
.It Fl v
Reverse the sense of the matching; display processes that do not match the
given criteria.
.It Fl x
Require an exact match of the process name, or argument list if
.Fl f
is given.
The default is to match any substring.
.It Fl Ns Ar signal
A non-negative decimal number or symbolic signal name specifying the signal
to be sent instead of the default
.Dv TERM .
This option is valid only when given as the first argument to
.Nm pkill .
.El
.Pp
If any
.Ar pattern
operands are specified, they are used as regular expressions to match
the command name or full argument list of each process.
If the
.Fl f
option is not specified, then the
.Ar pattern
will attempt to match the command name.
However, presently
.Fx
will only keep track of the first 19 characters of the command
name for each process.
Attempts to match any characters after the first 19 of a command name
will quietly fail.
.Pp
Note that a running
.Nm pgrep
or
.Nm pkill
process will never consider itself nor system processes (kernel threads) as
a potential match.
.Sh EXIT STATUS
The
.Nm pgrep
and
.Nm pkill
utilities
return one of the following values upon exit:
.Bl -tag -width indent
.It 0
One or more processes were matched.
.It 1
No processes were matched.
.It 2
Invalid options were specified on the command line.
.It 3
An internal error occurred.
.El
.Sh COMPATIBILITY
Historically the option
.Dq Fl j Li 0
means any jail, although in other utilities such as
.Xr ps 1
jail ID
.Li 0
has the opposite meaning, not in jail.
Therefore
.Dq Fl j Li 0
is deprecated, and its use is discouraged in favor of
.Dq Fl j Li any .
.Sh SEE ALSO
.Xr kill 1 ,
.Xr killall 1 ,
.Xr ps 1 ,
.Xr flock 2 ,
.Xr kill 2 ,
.Xr sigaction 2 ,
.Xr pidfile 3 ,
.Xr re_format 7
.\" Xr signal 7
.Sh HISTORY
The
.Nm pkill
and
.Nm pgrep
utilities
first appeared in
.Nx 1.6 .
They are modelled after utilities of the same name that appeared in Sun
Solaris 7.
They made their first appearance in
.Fx 5.3 .
.Sh AUTHORS
.An <NAME>
.Aq <EMAIL>

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