PROCESS CREATION

#include<sys/types.h>
#include<unistd.h>
#include<stdio.h>
main()
{
int p;
p=fork();
if(p==0)
{
printf("PROCESS ID IS %d\n",getpid());
printf("PARENT PROCESS ID IS %d\n",getppid());
}
}

OUTPUT
./a.out
process id of child : 8001

process id of parent : 8000