Question

fork(); for(i=0;i<5;i++) if(pid==0)fork(); How many child process are created?

Answer 1

Answer :

There are total 7 child processes created for the given code

Here is the complete code i executed based on your code to know how many child processes are created:

#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>

int main()
{
    int i;
    int pid;
    fork();
    for(i=0;i<5;i++)
    {
        if(pid==0){
            fork();
            printf("child process is created\n");
        }
    }
}

Explanation about how 7 child processes created:

Inorder to know how many child processes created, for that i wrote a print statement as child process is created, i.e, the number of "child process is created " printed in output is equal to number of child processes created.

Output:

child process is created child process is created child process is created child process is created child process is created child process is created child process is created ... Program finished with exit code 0 Press ENTER to exit console. I