program to view differences between process id, parent process id, group id

#include"myHeader.h"
main()
{
printf("child:%d parent %d groupid:%d uid:%d\n",getpid(),getppid(),getgid(),getuid());
}

OutPut:

madan@madan-Lenovo-G570:~/madan/osconcepts$ cc ex31.c
madan@madan-Lenovo-G570:~/madan/osconcepts$ ./a.out
child:5444 parent 2817 groupid:1000 uid:1000

Categories: Interview Purpous, Unix Programing