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NOTE: CentOS Enterprise Linux is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux.

Introduction

Welcome to the Red Hat Enterprise Linux Reference Guide.

The Red Hat Enterprise Linux Reference Guide contains useful information about the Red Hat Enterprise Linux system. From fundamental concepts, such as the structure of the file system, to the finer points of system security and authentication control, we hope you find this book to be a valuable resource.

This guide is for you if you want to learn a bit more about how the Red Hat Enterprise Linux system works. Topics that you can explore within this manual include the following:

  • The boot process

  • The file system structure

  • The X Window System

  • Network services

  • Security tools

1. Changes To This Manual

This manual has been reorganized for clarity and updated for the latest features of Red Hat Enterprise Linux 4. Some of the changes include:

A New Samba Chapter

The new Samba chapter explains various Samba daemons and configuration options. Special thanks to John Terpstra for his hard work in helping to complete this chapter.

A New SELinux Chapter

The new SELinux chapter explains various SELinux files and configuration options. Special thanks to Karsten Wade for his hard work in helping to complete this chapter.

An Updated proc File System Chapter

The proc file system chapter includes updated information in regards to the 2.6 kernel. Special thanks to Arjan van de Ven for his hard work in helping to complete this chapter.

An Updated Network File System (NFS) Chapter

The Network File System (NFS) chapter has been revised and reorganized to include NFSv4.

An Updated The X Window System Chapter

The X Window System chapter has been revised to include information on the X11R6.8 release developed by the X.Org team.

Before reading this guide, you should be familiar with the contents of the Red Hat Enterprise Linux Installation Guide concerning installation issues, the Red Hat Enterprise Linux Introduction to System Administration for basic administration concepts, the Red Hat Enterprise Linux System Administration Guide for general customization instructions, and the Red Hat Enterprise Linux Security Guide for security related instructions. This guide contains information about topics for advanced users.

HTML, PDF, and RPM versions of the manuals are available on the Red Hat Enterprise Linux Documentation CD and online at https://www.redhat.com/docs/.

Note Note
 

Although this manual reflects the most current information possible, read the Red Hat Enterprise Linux Release Notes for information that may not have been available prior to our documentation being finalized. They can be found on the Red Hat Enterprise Linux CD #1 and online at https://www.redhat.com/docs/.

 
 
  Published under the terms of the GNU General Public License Design by Interspire