A parent process calling _____ system call will be suspended until children processes terminate.(a) wait(b) fork(c) exit(d) execThe question was asked in a national level competition.I need to ask this question from Process Creation in section Processes of Operating System

A parent process calling _____ system call will be suspended until chi

1.	A parent process calling _____ system call will be suspended until children processes terminate.(a) wait(b) fork(c) exit(d) execThe question was asked in a national level competition.I need to ask this question from Process Creation in section Processes of Operating System
Answer» Right answer is (a) wait To explain I would say: A parent process calling wait system CALL will be suspended until children PROCESSES terminate. A parameter is passed to wait system call which will obtain exit status of child as WELL as wait system call returns PID of terminated process.

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