#include"myHeader.h"
main()
{
if(fork())
{
printf("in parent process...\n");
printf("process id:%d\n",getpid());
}
else
{
printf("in child process...\n");
printf("child process id:%d\n",getpid());
}
}
OutPut:madan@madan-Lenovo-G570:~/madan/osconcepts$ cc ex12.c madan@madan-Lenovo-G570:~/madan/osconcepts$ ./a.out in parent process... process id:3891 in child process... child process id:3892
