/* FILE: unodueConPID-UID-GID.c */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

int main ()
{
printf("UNO. PID = %d, UID = %d, GID = %d\n", getpid(), getuid(), getgid());

fork();

printf("DUE. PID = %d, UID = %d, GID = %d\n", getpid(), getuid(), getgid());
exit(0);
}