PROCESS TREE USING FORK

PROGRAM

      

#include<unistd.h>

void main()

{

int pid;

pid= fork();

if(pid==0)

{

printf(“Child 1 ID : %d \n Parent ID of Child 1 : %d”,
getpid(),getppid());

pid=fork();

if(pid==0)

{

printf(“\n Child 3 ID : %d \n Parent  ID of Child 3 : %d”,getpid(),getppid());

close(getpid());

}

else

{

pid= fork();



if(pid==0)

{

printf(“ \n Child 4 ID : %d \t Parent ID  of Child 4 : %d”, getpid(),getppid());

close(getpid());

}

else

{

sleep(1);

}

}

}

else

{

pid= fork();

if(pid==0)

{

printf(“  \n Child 2
ID : %d \t Parent ID  of Child 2: %d”,
getpid(),getppid());

pid=fork();

if(pid==0)

{

printf(“\n Child 5 ID : %d \n Parent  ID of Child 5 : %d”,getpid(),getppid());

close(getpid());

}

else

{

pid= fork();





if(pid==0)

{

printf(“ \n Child 6 ID : %d \t Parent ID  of Child 6 : %d”, getpid(),getppid());

close(getpid());

}

else                                                                           

{

sleep(2);

}

}

}

}

sleep(3);

}

DESCRIPTION AND OUTPUT WILL BE PUBLISHED ............