“First Sobell taught people how to use Linux . . . now he teaches you the power of Linux. A must-have book for anyone who wants to take Linux to the next level.”

–Jon “maddog” Hall, Executive Director, Linux International

Discover the Power of Linux--Covers macOS, too!

Learn from hundreds of realistic, high-quality examples, and become a true command-line guru
Covers MariaDB, DNF, and Python 3
300+ page reference section covers 102 utilities, including macOS commands

For use with all popular versions of Linux, including Ubuntu,™ Fedora,™ openSUSE,™ Red Hat,� Debian, Mageia, Mint, Arch, CentOS, and macOS

Linux is today's dominant Internet server platform. System administrators and Web developers need deep Linux fluency, including expert knowledge of shells and the command line. This is the only guide with everything you need to achieve that level of Linux mastery. Renowned Linux expert Mark Sobell has brought together comprehensive, insightful guidance on the tools sysadmins, developers, and power users need most, and has created an outstanding day-to-day reference, updated with assistance from new coauthor Matthew Helmke.

This title is 100 percent distribution and release agnostic. Packed with hundreds of high-quality, realistic examples, it presents Linux from the ground up: the clearest explanations and most useful information about everything from filesystems to shells, editors to utilities, and programming tools to regular expressions.

Use a Mac? You'll find coverage of the macOS command line, including macOS-only tools and utilities that other Linux/UNIX titles ignore.

A Practical Guide to Linux� Commands, Editors, and Shell Programming, Fourth Edition, is the only guide to deliver

A MariaDB chapter to get you started with this ubiquitous relational database management system (RDBMS)
A masterful introduction to Python for system administrators and power users
In-depth coverage of the bash and tcsh shells, including a complete discussion of environment, inheritance, and process locality, plus coverage of basic and advanced shell programming
Practical explanations of core utilities, from aspell to xargs, including printf and sshfs/curlftpfs, PLUS macOS–specific utilities from ditto to SetFile
Expert guidance on automating remote backups using rsync
Dozens of system security tips, including step-by-step walkthroughs of implementing secure communications using ssh and scp
Tips and tricks for customizing the shell, including step values, sequence expressions, the eval builtin, and implicit command-line continuation
High-productivity editing techniques using vim and emacs
A comprehensive, 300-plus-page command reference section covering 102 utilities, including find, grep, sort, and tar
Instructions for updating systems using apt-get and dnf
And much more, including coverage of BitTorrent, gawk, sed, find, sort, bzip2, and regular expressions

About the Author

Mark G. Sobell has forty years of experience working with UNIX and Linux systems and is the author of many best-selling books, including A Practical Guide to Fedora™ and Red Hat� Enterprise Linux�, Seventh Edition, and A Practical Guide to Ubuntu Linux�, Fourth Edition.

Matthew Helmke got his first computer in 1981, a TRS-80 Color Computer. He started using UNIX in 1987 while studying LISP. He works as a technical writer and has written about Linux and other topics for magazines and a diverse set of companies. He is the author of several books, including Ubuntu Unleashed, The Official Ubuntu Book, and VMware Cookbook.