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Go Systems Programming

You're reading from Go Systems Programming Master Linux and Unix system level programming with Go

Product type Paperback

Published in Sep 2017

Publisher Packt

ISBN-13 9781787125643

Length 466 pages

Edition 1st Edition

Languages

Go

Tools

Linux

Concepts

System Programming

Author (1):

Mihalis Tsoukalos

View More author details

Table of Contents (13) Chapters

Preface

1. Getting Started with Go and Unix Systems Programming FREE CHAPTER

2. Writing Programs in Go

3. Advanced Go Features

4. Go Packages, Algorithms, and Data Structures

5. Files and Directories

6. File Input and Output

7. Working with System Files

8. Processes and Signals

9. Goroutines - Basic Features

10. Goroutines - Advanced Features

11. Writing Web Applications in Go

12. Network Programming

Searching files revisited

This section will teach you how to find files using criteria such as user ID, group ID, and file permissions. Although this section could have been included in Chapter 5, Files and Directories, I decided to put it here, because there are times when you will want to use this kind of information in order to inform a system administrator that there is something wrong with the system.

Finding the user ID of a user

This subsection will present a program that shows the user ID of a user, given their username, which is more or less the output of the id -u utility:

$ id -u
33
$ id -u root
0

The fact that there exists a Go package named user, which can be found under the os package that can help you implement...

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