#include <sys/wait.h> 
#include <unistd.h> 
#include <stdio.h> 
#include <stdlib.h> 
 
int main(int argc, char *argv[]) 
{ 
 pid_t childpid; 
 int status, exit_code, x; 
 
 exit_code = EXIT_SUCCESS; 
 
 if (argc < 2) 
 { 
 printf(“Usage: %s command args\n“, argv[0]); 
 exit_code = EXIT_FAILURE; 
 } 
 else 
 { 
 switch (childpid = fork()) 
 { 
 case -1: 
 perror("Could not fork\n"); 
 exit_code = EXIT_FAILURE; 
 break; 
 case 0: 
 if (execvp(argv[1], &argv[1]) < 0) 
 { 
 perror(“Could not execute the command\n”); 
 exit_code = EXIT_FAILURE; 
 break; 
 }