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Previous Year Question (PYQs)



Which statement is true about process 0 in the Unix operating system?

I. Process 0 is called init process.
II. Process 0 is not created by fork system call.
III. After forking process 1, process 0 becomes swapper process.
IV. Process 0 is a special process created when system boots.





Solution

Process 0 is created at boot, not by fork, becomes swapper, and is special. Init is process 1, not process 0.


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