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The child process completes execution, but the parent keeps executing, then the child process is known as __________

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The child process completes execution, but the parent keeps executing, then the child process is known as __________

(a) Orphan

(b) Zombie

(c) Body

(d) Dead

This question was posed to me in final exam.

The question is from Process Creation topic in section Processes of Operating System

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Best answer
Correct choice is (b) Zombie

Explanation: The child process completes execution, but the parent keeps executing, then the child process is known as Zombie. When a child process terminates, its resources get deallocated but its entry in the Process Control Block (PCB) remains there until its parent calls wait system call.

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