#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>

int main()
{
    int status;
    int pid = fork();

    if (pid > 0) {
        printf("Parent: Wait for child to complete.\n");
        waitpid(-1, &status, 0);
        printf("Parent: Terminating.\n");
    }
    else {
        printf("Child: Process started.\n");
        execl("/bin/ls", "ls", "-l", "/Users/rmak", NULL);
        printf("Child: Process completed.\n");
    }
}