How to Find the PID of a Linux Process With pidof or pgrep Share November 15, 2022 Dm4r Technology Working with a Linux process often means knowing its process ID, or PID. It’s a unique number given to each piece of running software. Here are two ways to find out what it is. Read This Article on How-To Geek › Source : How to Find the PID of a Linux Process With pidof or pgrep