Linux Command
pidof
Find the process ID number of the process with the specified name
Supplementary instructions
pidof command is used to find the process ID number of the process with the specified name.
grammar
pidof(option)(parameter)
Options
-s: only returns a process number;
-c: Only show processes with the same "root" directory;
-x: Display processes started by scripts;
-o: Specify the process ID not to be displayed.
Parameters
Process name: Specify the name of the process to find.
Example
pidof nginx
13312 5371
pidof crond
1509
pidof init
1


