Program:
#include<stdio.h>
void main()
{
int cpid = fork();
if(cpid >0)
{
printf("\n\n Parent is Running:\n");
printf("\n\n Parent PID is %d ",getpid());
printf("\n Parent is Going to Sleep:\n\n");
sleep(10);
printf("\n\n Parent Wake's Up:\n");
wait(NULL);
printf("\n Parent is Exiting\n");
}
else if(cpid == 0)
{
printf("\n\n Child is Running:\n");
printf("\n\n Child pid is %d and Parent Pid is %d\n",getpid(),getppid());
printf("\n Child is Going to Sleep:\n\n");
sleep(1);
printf("\n\n Child Wake's Up:\n");
printf("\nChild is Exiting\n");
}
}
Output:
1) Before Running:
