Answered: What are the returned values of the…

What are the returned values of the following commands? >>rc_wait=wait(NULL); >getpid(); > write(file_desc,"HI \n", 51); > file_desc = open("data.txt", O_WRONLY| O_APPEND); > close(0); dup(p[0]); %3D

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 are the returned values of the following commands?
>>rc_wait=wait(NULL);
>getpid();
>> write(file_desc,"HI \n", 51);
> file_desc = open("data.txt", O_WRONLY| O_APPEND);
> close(0);
dup(p[0]);

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rc_wait = wait(NULL);

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getpid();

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close(0);

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