Question: Write a C program which creates 3 processes: Parent process sends SIG_ALRM to first child process every 4 seconds After receiving first signal,first child process

Write a C program which creates 3 processes:

Parent process sends SIG_ALRM to first child process every 4 seconds

After receiving first signal,first child process waits 2 seconds then will send to second child process SIG_USR1

After receiving SIG_USR1 signal,second child will print on screen the result of a[n]=a[n-1]+a[n-2].

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