#include <stdio.h>

void main(int argc, char *argv[])
{
int pid;

	/* fork another process */
	pid = fork();

	if (pid < 0) { /* error occurred */
           fprintf(stderr, "Fork Failed");
	   exit(-1);
	}
	else if (pid == 0) { /* child process */
	   execlp("/bin/ls","ls",NULL);
	}
	else { /* parent process */
	   /* parent will wait for the child to complete */
	   wait(NULL);
	   printf("Child Complete");
	   exit(0);
	}
}