Monday, December 7, 2020

Using pidof and pgrep to list process IDs

The pidof and pgrep commands provide listings of process IDs (PIDs) for process names that you provide as arguments. This post shows how to use these commands and illustrates the differences between them with a series of examples.


There are a number of ways to determine the PID of a process running on a Linux system, but the easiest is probably a command called pidof. Read this as “PID of” and you’ll have an easy time remembering it. Using this command, you can get the PID of a process by typing “pidof” and specifying the process name. For example:

$ pidof bash

If you were to run the ps command without arguments, you will get a list of the processes that you’re running in your current shell. The command below shows where the response above comes from:

To read this article in full, please click here

Thanks to Sandra Henry-Stocker (see source)

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