Question: Develop a small program in C using system calls (fork(), waitpid(), exit(), kill(),...) that does the following things: .a parent process creates a child process

Develop a small program in C using system calls (fork(), waitpid(), exit(), kill(),...) that does the following things:

.a parent process creates a child process that prints its PID the child creates a grandchild and sleeps 120 seconds the grandchild immediatly exits the parent sleeps for 60 seconds and then kills all the processes

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