Process Termination

• Process executes last statement and asks the operating system to decide it (exit).

1. Output data from child to parent (via wait).
2. Process’ resources are deallocated by operating system.

• Parent may terminate execution of children processes (abort).

1. Child has exceeded allocated resources.
2. Task assigned to child is no longer required.
3. Parent is exiting.

* Operating system does not allow child to continue if its parent terminates.

* Cascading termination.