Vitux published a tutorial about how to display PPIDs in Linux.
How to Display PPIDs in Linux
In Linux, PPID refers to the process ID of the parent process. A parent process in Linux is the one that is capable of spawning child processes. A single parent process can have multiple child processes whereas a single child process can belong to one and only one parent process. In other words, multiple child processes can have the same PPID. In today’s tutorial, we want to show you the two methods of finding the parent process IDs or PPIDs in Linux.
