A child process
This cannot happen once a process is executing; it can only be done when the command is started by placing an ampersand (&) after it.
This cannot happen; only daemon processes can run in the background.
You can use the ps command.
You can use the Ctrl+z key combination and the bg command.
Schedule processes to run periodically in the background
Schedule processes to run periodically on a recurring basis in the future
Schedule processes to run at a single instance in the future
Schedule processes to run in the foreground
Parent process ID
All instances of a process with the same PPID
All instances of a process with the same PID
All instances of a process with the same priority
All instances of a process with the same name
0 and 20
0 and -19
–19 and 20
–20 and 19
Is a zombie process
Is an orphaned process
Has a PPID of Z
Is a rogue process