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Linux System Programming Techniques

You're reading from Linux System Programming Techniques Become a proficient Linux system programmer using expert recipes and techniques

Product type Paperback

Published in May 2021

Publisher Packt

ISBN-13 9781789951288

Length 432 pages

Edition 1st Edition

Tools

Linux

Concepts

System Programming

Author (1):

Jack-Benny Persson

View More author details

Table of Contents (14) Chapters

Preface

1. Chapter 1: Getting the Necessary Tools and Writing Our First Linux Programs

2. Chapter 2: Making Your Programs Easy to Script FREE CHAPTER

3. Chapter 3: Diving Deep into C in Linux

4. Chapter 4: Handling Errors in Your Programs

5. Chapter 5: Working with File I/O and Filesystem Operations

6. Chapter 6: Spawning Processes and Using Job Control

7. Chapter 7: Using systemd to Handle Your Daemons

8. Chapter 8: Creating Shared Libraries

9. Chapter 9: Terminal I/O and Changing Terminal Behavior

10. Chapter 10: Using Different Kinds of IPC

11. Chapter 11: Using Threads in Your Programs

12. Chapter 12: Debugging Your Programs

13. Other Books You May Enjoy

Getting information about Linux- and Unix-specific header files

There are a lot of specific functions and header files for Linux and other Unix systems. Generally speaking these are POSIX functions, even though some are Linux-specific, such as sysinfo(). We have already seen two of the POSIX files in the previous recipe: unistd.h and sys/types.h. Since they're POSIX files, they're available in all Unix-like systems such as Linux, FreeBSD, OpenBSD, macOS, and Solaris.

In this recipe, we will learn more about these POSIX header files, what they do, and when and how you can use them. We will also learn how to look up information about these files in the manual page.

Getting ready

In this recipe, we will look up header files in the manual. If you are using a Fedora-based system, such as CentOS, Fedora, or Red Hat, these manual pages are already installed on your system. If for some reason they are missing, you can install them with dnf install man-pages as root, or with...

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Authors (1)

Jack-Benny Persson

Jack-Benny Persson

Jack-Benny Persson is a consultant and author based in Sweden. He has written several books about Linux and programming. His passion for Linux and other Unix-like systems started as a hobby more than 20 years ago. Since then, he has spent most of his spare time reading about Linux, tinkering with Linux servers, and writing about Linux administration. Today he has his own IT and media company in Sweden that focuses on Linux. Jack-Benny holds an Advanced Higher Vocational Education Diploma as a Linux system specialist. He has also studied electronics, networking, and security.

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