orphan process การใช้

Thus, it is said that init " adopts " every orphan process on the system.
Conversely, a child process whose parent process terminates before it does becomes an " orphan process ".
If a child process receives a signal, a waiting parent will then continue execution leaving an orphan process behind.
This special process detects when an orphan process terminates and then retrieves its exit status, allowing the system to deallocate the terminated child process.
Zombie processes should not be confused with orphan processes : an orphan process is a process that is still executing, but whose parent has died.