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Which of the following system call is used for replicating a process?

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Which of the following system call is used for replicating a process?

(a) fork

(b) exec

(c) wait

(d) _exit

The question was asked by my school principal while I was bunking the class.

My doubt stems from Process Control Basics topic in chapter System Programming II – Process Control & Unix System Performance of Unix

1 Answer

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Correct answer is (a) fork

Easy explanation: The forking mechanism of process creation uses the fork system call to create a process. Each process is assigned a PID which is used for process handling purposes.

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