PIDOF(8)              Linux System Administrator's Manual             PIDOF(8)

       pidof -- find the process ID of a running program.

       pidof  [-s] [-c] [-n] [-x] [-o omitpid[,omitpid..]]  [-o omitpid[,omit-
       pid..]..]  program [program..]

       Pidof finds the process id's (pids) of the named  programs.  It  prints
       those id's on the standard output. This program is on some systems used
       in run-level change scripts, especially when the system has a  System-V
       like   rc  structure.  In  that  case  these  scripts  are  located  in
       /etc/rc?.d, where ? is the runlevel. If the system  has  a  start-stop-
       daemon (8) program that should be used instead.

       -s     Single shot - this instructs the program to only return one pid.

       -c     Only  return  process  ids  that  are running with the same root
              directory.  This option is ignored for non-root users,  as  they
              will  be unable to check the current root directory of processes
              they do not own.

       -n     Avoid stat(2) system function call on  all  binaries  which  are
              located  on  network  based  file  systems like NFS.  Instead of
              using this option the the variable PIDOF_NETFS may  be  set  and

       -x     Scripts  too  -  this  causes the program to also return process
              id's of shells running the named scripts.

       -o omitpid
              Tells pidof to omit processes with that process id. The  special
              pid  %PPID  can  be used to name the parent process of the pidof
              program, in other words the calling shell or shell script.

       0      At least one program was found with the requested name.

       1      No program was found with the requested name.

       pidof is actually the same program as  killall5;  the  program  behaves
       according to the name under which it is called.

       When  pidof  is  invoked  with a full pathname to the program it should
       find the pid of, it is reasonably safe. Otherwise it is  possible  that
       it  returns  pids of running programs that happen to have the same name
       as the program you're after but are actually other programs. Note  that
       that  the executable name of running processes is calculated with read-
       link(2), so symbolic links to executables will also match.

       shutdown(8), init(8), halt(8), reboot(8), killall5(8)

       Miquel van Smoorenburg,

                                  01 Sep 1998                         PIDOF(8)
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