How do I get the pid number for particular process on a Linux operating systems using bash shell? The easiest way to find out if process is running is run ps aux command and grep process name. If you got output along with process name/pid, your process is running.

How do I display PID in Linux?

You can find the PID of processes running on the system using the below nine command.

1. pidof: pidof – find the process ID of a running program.
2. pgrep: pgre – look up or signal processes based on name and other attributes.
3. ps: ps – report a snapshot of the current processes.
4. pstree: pstree – display a tree of processes.

How do I get a list of PID in Linux?

Linux commands show all running processes

1. top command : Display and update sorted information about Linux processes.
2. atop command : Advanced System & Process Monitor for Linux.
3. htop command : Interactive process viewer in Linux.
4. pgrep command : Look up or signal processes based on name and other attributes.