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What is the output of this program?      #include    #include    #include      int main()    {        pid_t child;        int status;        child = fork();                    switch(child){                case -1 :                    perror("fork");                    exit(1);                case 0 :                    exit(2);                    break;                default :                           wait(&status);                    printf("%d\n",WEXITSTATUS(status));                    break;            }            return 0;    }

What is the output of this program?      #include    #include    #include      int main()    {        pid_t child;        int status;        child = fork();                    switch(child){                case -1 :                    perror("fork");                    exit(1);                case 0 :                    exit(2);                    break;                default :                           wait(&status);                    printf("%d\n",WEXITSTATUS(status));                    break;            }            return 0;    }

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question

What is the output of this program?

 

   #include<stdio.h>

   #include<stdlib.h>

   #include<unistd.h>

 

   int main()

   {

       pid_t child;

       int status;

       child = fork();        

           switch(child){

               case -1 :

                   perror("fork");

                   exit(1);

               case 0 :

                   exit(2);

                   break;

               default :       

                   wait(&status);

                   printf("%d\n",WEXITSTATUS(status));

                   break;

           }

           return 0;

   }

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