Write a C program to illustrate the concept of orphan process. Parent process creates a child and terminates before child has finished its task. So child process becomes orphan process. (Use fork(), sleep(), getpid(), getppid()).

#include<stdio.h>

#include<sys/types.h>

#include<unistd.h>

int main()

{

    int pid=fork();

    if(pid>0)

    {

        printf("\n\nParent Process.\n");

        printf("ID : %d \n\n",getpid());

    }

    else if(pid==0)

    {

        printf("Child Process\n");

        printf("ID : %d \n",getpid());

        printf("Parent-ID :%d \n", getppid());

        sleep(10);

        printf("Child Process\n");

        printf("ID : %d \n",getpid());

        printf("\nParent-ID :%d \n\n", getppid());

    }

    else

        printf("\nFailed to create Child Process!");

    return 0;

}