The program first creates a child process CP. So, there are two processes: The parent process does the following: a. compute the sum of all the even number from 1, 2, .. 1000, and output this sum; b. wait for the termination of the child process CP, then terminate; The child process does the following: a. compute the summary of all the odd number from 1, 2, .. 1000, and output this summary; b. terminates