Book Image

Linux Essentials - Second Edition

By : Christine Bresnahan, Richard Blum
Book Image

Linux Essentials - Second Edition

By: Christine Bresnahan, Richard Blum

Overview of this book

Linux Essentials, Second Edition provides a solid foundation of knowledge for anyone considering a career in information technology, for anyone new to the Linux operating system, and for anyone who is preparing to sit for the Linux Essentials Exam. Through this engaging resource, you can access key information in a learning-by-doing style. Hands-on tutorials and end-of-chapter exercises and review questions lead you in both learning and applying new information—information that will help you achieve your goals! With the experience provided in this compelling reference, you can sit down for the Linux Essentials Exam with confidence. An open-source operating system, Linux is a UNIX-based platform that is freely updated by developers. The nature of its development means that Linux is a low-cost and secure alternative to other operating systems, and is used in many different IT environments. Passing the Linux Essentials Exam prepares you to apply your knowledge regarding this operating system within the workforce.
Table of Contents (19 chapters)

Understanding Where Things Go

As discussed in Chapter 5, “Managing Hardware,” Linux uses a unified directory tree: every partition, removable disk, network file share, and other disk or disk-like storage device is accessible as a directory in a single directory tree (or filesystem). This filesystem is structured. Some directories have a specific purpose that’s common among all Linux distributions, whether the directories exist as regular subdirectories on one partition or are separate devices that are mounted off the root (/) device. Understanding the purpose of the main directories will help you to locate files and avoid making disastrous mistakes. Before delving into those specifics, however, you should understand the distinction between user files and system files.

User Files...