C/stdlib.h/system

system: passes the string as a command to the command processor

<source lang="cpp">

//Header file: #include <stdlib.h> //Declaration: int system(const char *str); //Return: zero on success or nonzero on error.

 #include <stdlib.h>
 int main(void)
 {
   printf("%s",system("dir"));
 }
          
      </source>