#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>

int main(int argc, char **argv)
{
  printf("Parent %d, sleeping for 10s, then execing /bin/ls -l.\n",getpid());
  sleep(10);
  if (execl("/bin/ls", "/bin/ls", "-l", NULL) != 0)
    {
      fprintf(stderr,"Couldn't exec /bin/ls -l\n");
      exit(1);
    }
  exit(0);
}