Question: (20 points) 2. Write a C or C++ program on Linux/Unix that creates a child process that prints a greeting, sleeps for 20 seconds, then

(20 points) 2. Write a C or C++ program on Linux/Unix that creates a child process that prints a greeting, sleeps for 20 seconds, then exits. The parent process should print a greeting before creating the child, and another after the child has terminated. It should then terminate. Please do not copy and paste other work.

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