Question: 3. a) Implement a system of three processes which read and write numbers to a file. Each of the three processes P1, P2, and P3

3. a) Implement a system of three processes which read and

3. a) Implement a system of three processes which read and write numbers to a file. Each of the three processes P1, P2, and P3 must obtain 200 times an integer from the file. The file only holds one integer at any given time. Given a file F, containing a single integer N, each process must perform the following steps ( 25 points): 1. Open F 2. Read the integer N from the file 3. Close F 4. Output N and the process' PID (either on screen or test file) 5. Increment N by 1 6. Open F 7. Write N to F (overwriting the current value in F ) 8. Close F

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