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    Command:

    pkill

    
    
    
    

    SYNOPSIS

           pgrep [-flvx] [-d delimiter] [-n|-o] [-P ppid,...] [-g pgrp,...]
                [-s sid,...] [-u euid,...] [-U uid,...] [-G gid,...]
                [-t term,...] [pattern]
    
           pkill [-signal] [-fvx] [-n|-o] [-P ppid,...] [-g pgrp,...]
                [-s sid,...] [-u euid,...] [-U uid,...] [-G gid,...]
                [-t term,...] [pattern]
    
    
    

    DESCRIPTION

           pgrep looks through the currently running processes and lists the  pro-
           cess  IDs which matches the selection criteria to stdout.  All the cri-
           teria have to match.  For example,
    
           pgrep -u root sshd
    
           will only list the processes called sshd AND owned  by  root.   On  the
           other hand,
    
           pgrep -u root,daemon
    
           will list the processes owned by root OR daemon.
    
           pkill  will send the specified signal (by default SIGTERM) to each pro-
           cess instead of listing them on stdout.
    
    
    

    OPTIONS

           -d delimiter
                  Sets the string used to delimit each process ID  in  the  output
                  (by default a newline).  (pgrep only.)
    
           -f     The  pattern  is normally only matched against the process name.
                  When -f is set, the full command line is used.
    
           -g pgrp,...
                  Only match processes in the process group IDs  listed.   Process
                  group 0 is translated into pgrep's or pkill's own process group.
    
           -G gid,...
                  Only match processes whose real group ID is listed.  Either  the
                  numerical or symbolical value may be used.
    
           -l     List the process name as well as the process ID. (pgrep only.)
    
           -n     Select  only  the newest (most recently started) of the matching
                  processes.
    
           -o     Select only the oldest (least recently started) of the  matching
                  Only match processes whose effective user ID is listed.   Either
                  the numerical or symbolical value may be used.
    
           -U uid,...
                  Only  match  processes whose real user ID is listed.  Either the
                  numerical or symbolical value may be used.
    
           -v     Negates the matching.
    
           -x     Only match processes whose name (or command line if -f is speci-
                  fied) exactly match the pattern.
    
           -signal
                  Defines  the signal to send to each matched process.  Either the
                  numeric or the symbolic signal name can be used.  (pkill  only.)
    
    
    

    OPERANDS

           pattern
                  Specifies  an  Extended  Regular Expression for matching against
                  the process names or command lines.
    
    
    

    EXAMPLES

           Example 1: Find the process ID of the named daemon:
    
           unix$ pgrep -u root named
    
           Example 2: Make syslog reread its configuration file:
    
           unix$ pkill -HUP syslogd
    
           Example 3: Give detailed information on all xterm processes:
    
           unix$ ps -fp $(pgrep -d, -x xterm)
    
           Example 4: Make all netscape processes run nicer:
    
           unix$ renice +4 'pgrep netscape'
    
    
    

    EXIT STATUS

           0      One or more processes matched the criteria.
    
           1      No processes matched.
    
           2      Syntax error in the command line.
    
           3      Fatal error: out of memory etc.
    
    
    

    NOTES

    
    

    SEE ALSO

           ps(1) regex(7) signal(7) killall(1) skill(1) kill(1) kill(2)
    
    
    

    STANDARDS

           pkill and pgrep were introduced in Sun's Solaris 7.   This  implementa-
           tion is fully compatible.
    
    
    

    AUTHOR

           Kjetil Torgrim Homme <kjetilho@ifi.uio.no>
    
           Albert  Cahalan  <albert@users.sf.net> is the current maintainer of the
           procps package.
    
           Please send bug reports to <procps-feedback@lists.sf.net>
    
    
    

    Linux June 25, 2000 PGREP(1)

    
    
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