Daniel J. Barrett has been teaching and writing about Linux and related technologies for more than 30 years. He is an author of numerous O'Reilly books such as Efficient Linux at the Command Line, Linux Security Cookbook, SSH, The Secure Shell: The Definitive Guide, Macintosh Terminal Pocket Guide, and MediaWiki. Dan has also been a software engineer, heavy metal singer, system administrator, university lecturer, web designer, and humorist. He works at Google. Visit DanielJBarrett.com to learn more.

If you use Linux in your day-to-day work, then Linux Pocket Guide is the perfect on-the-job reference. This thoroughly updated 20th anniversary edition explains more than 200 Linux commands, including new commands for file handling, package management, version control, file format conversions, and more.

In this concise guide, author Daniel Barrett provides the most useful Linux commands grouped by functionality. Whether you're a novice or an experienced user, this practical book is an ideal reference for the most important Linux commands.

You'll learn:

• Essential concepts--commands, shells, users, and the filesystem
• File commands-creating, organizing, manipulating, and processing files of all kinds
• Sysadmin basics-superusers, processes, user management, and software installation
• Filesystem maintenance-disks, RAID, logical volumes, backups, and more
• Networking commands-working with hosts, network connections, email, and the web
• Getting stuff done-everything from math to version control to graphics and audio