Question: We want our program to start another program in a child process and wait for it to terminate before proceeding. Of the functions below, which

We want our program to start another program in a child process and wait for it to terminate before proceeding. Of the functions below, which is NOT necessary? We want our program to start another program in a child process and wait for it to terminate before proceeding. Of the functions below, which is NOT necessary? execl() fork() pipe() wait() All of the above None of the above

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