Question: 1 . Explain fork ( ) , wait ( ) , and execute ( ) systems calls for creating new ( child ) processes and

1. Explain fork(), wait(), and execute() systems calls for creating new (child) processes and make sure that parent waits for the child to complete. Create 3 child processes (p1, p2, p3) where p3 has I/O operation. (P0 is the parent process)

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