pidof

find the process ID of a running program.

TLDR

List all process IDs with given name

>_ pidof [bash]
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List a single process ID with given name

>_ pidof -s [bash]
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List process IDs including scripts with given name

>_ pidof -x [script.py]
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Kill all processes with given name

>_ kill "$(pidof [name])"
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SYNOPSIS

pidof [-s] [-c] [-x] [-o omitpid[,omitpid..]] [-o omitpid[,omitpid..]..] [-S separator] program [program..]

DESCRIPTION

Pidof finds the process id's (pids) of the named programs. It prints those id's on the standard output.

OPTIONS

-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.

-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.

"-S separator " Use separator as a separator put between pids. Used only when more than one pids are printed for the program.

EXIT STATUS

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

1 No program was found with the requested name.

BUGS

When using the -x option, pidof only has a simple method for detecting scripts and will miss scripts that, for example, use env. This limitation is due to how the scripts look in the proc filesystem.

SEE ALSO

pgrep(1), pkill(1)

AUTHOR

Jaromir Capik <jcapik@redhat.com>

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