fork( )
	int main(int argc, char **argv) {   char *name = argv[0];   int child_pid = fork();   if (child_pid == 0) {     printf(“Child of %s is %d\n”,            name, child_pid);     return 0;   } else {     printf(“My child is %d\n”, child_pid);     return 0;   } } _______________________________ % ./forktest Child of forktest is 0 My child is 486