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

int 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);
	}
}