Member Avatar for mayank.dyl

what does fork() do in c.? Is it same as fork operation in OS ?
What is the o/p of following program ?

#include<stdio.h>
   main()
     {
       int i=0;
       fork();
       printf("%d",i++);
       fork();
       printf("%d",i++);
       fork();
       wait();
     }
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Member Avatar for Ancient Dragon

See this thread for an example of how to use fork() As for what fork() does -- you can read this man page

Edited by Ancient Dragon
Member Avatar for mayank.dyl

thankx for reply.

actually i am unable to understand the working of fork and wait in a c program and futher how fork() and wait() calls affect the output.

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