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  • How Linux Works, 3rd Edition: What Every Superuser Should Know

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How Linux Works, 3rd Edition: What Every Superuser Should Know

by Brian Ward (Author) Format: Paperback
4.7 out of 5 stars (804)
#1 Best Seller in Linux Servers

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Best-selling guide to the inner workings of the Linux operating system with over 50,000 copies sold since its original release in 2014.

Linux for the Superuser

Unlike some operating systems, Linux doesn’t try to hide the important bits from you—it gives you full control of your computer. But to truly master Linux, you need to understand its internals, like how the system boots, how networking works, and what the kernel actually does.

In this third edition of the bestselling How Linux Works, author Brian Ward peels back the layers of this well-loved operating system to make Linux internals accessible. This edition has been thoroughly updated and expanded with added coverage of Logical Volume Manager (LVM), virtualization, and containers.

You'll learn:
  • How Linux boots, from boot loaders to init (systemd)
  • How the kernel manages devices, device drivers, and processes
  • How networking, interfaces, firewalls, and servers work
  • How development tools work and relate to shared libraries
  • How to write effective shell scripts

You’ll also explore the kernel and examine key system tasks inside user-space processes, including system calls, input and output, and filesystem maintenance. With its combination of background, theory, real-world examples, and thorough explanations, How Linux Works, 3rd Edition will teach you what you need to know to take control of your operating system.

NEW TO THIS EDITION:
  • Hands-on coverage of the LVM, journald logging system, and IPv6
  • Additional chapter on virtualization, featuring containers and cgroups
  • Expanded discussion of systemd

Covers systemd-based installations
Read more
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  1. ISBN-10
    1718500408
  2. ISBN-13
    978-1718500402
  3. Edition
    3rd
  4. Publisher
    No Starch Press
  5. Publication date
    April 19, 2021
  6. Language
    English
  7. Dimensions
    7.01 x 1.06 x 9.25 inches
  8. Print length
    464 pages
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From the Publisher

Copy of How Linux Works, 3rd Edition on black background with No Starch Press logo
Review of How Linux Works on black background
Review of How Linux Works on black background

About the Author

Brian Ward has been working with Linux since 1993. He is also the author of The Linux Kernel-HOWTO, The Book of VMware (No Starch Press), and The Linux Problem Solver (No Starch Press).

No Starch Press logo. A black circle with a white iron and a star in the center.

About the Publisher

No Starch Press has published the finest in geek entertainment since 1994, creating both timely and timeless titles like Python Crash Course, Python for Kids, How Linux Works, and Hacking: The Art of Exploitation. An independent, San Francisco-based publishing company, No Starch Press focuses on a curated list of well-crafted books that make a difference. They publish on many topics, including computer programming, cybersecurity, operating systems, and LEGO. The titles have personality, the authors are passionate experts, and all the content goes through extensive editorial and technical reviews. Long known for its fun, fearless approach to technology, No Starch Press has earned wide support from STEM enthusiasts worldwide.

Editorial Reviews

Review

"Comprehensive . . . The third edition of How Linux Works is a good introduction to Linux that also is organized such that readers can flip through and go as far into a subject as necessary to answer questions at hand, skipping the more extensive explanations that aren’t crucial for their current topic of interest. In that regard, the book is a nice reference to have on the bookshelf."
—Lee Teschler, Microcontroller Tips

"The book is very thorough—from looking down into the hardware, through delving into how the kernel functions, to covering the most important commands, file systems, swap space, boot loaders, networking and more. In fact, I'm not at all surprised that this book has survived to its 3rd edition—both because it's a genuinely good book and because Linux has gone through some serious changes in the past seven years, especially related to such things as its use of containers, the flexibility of logical volume manager and the continued move toward virtualization. . . . This is a very thorough and up-to-date book. After using Unix and then Linux for nearly 40 years, I am still getting a lot of value and significant insights from reading it."
—Sandra Henry-Stocker, longstanding Linux journalist

"If you've not read this book yet, you really should. It's very good, highly detailed, approachable, comprehensive, and just an overall joy to read as a Linux nerd. Highly recommend!"
—Adam Miller, @TheMaxamillion

"This book provides an overview of Linux, with some information on how to dive deeper into its topics. Recommended."
—Ian Bruntlett, C Vu Journal Vol. 33 #4, ACCU

"I recommend [How Linux Works] if you want to learn and understand the core functioning of Linux. [It's] the perfect book if you are absolutely new or if you want to improve your Linux knowledge."
—It's FOSS - Linux Portal, @itsfoss2

"A fantastic book which I highly recommend whether you are new to Linux or an old hat."
—The Security Noob

Reviews for How Linux Works:

“If you are interested in Linux, How Linux Works: What Every Superuser Should Know is a must-read title.”
—LinuxInsider

“Lots to offer on almost every aspect of the Linux architecture.”
—Everyday Linux User

“You’ll get an essential understanding of what’s going on under the hood without getting bogged down in minutiae—making this a very refreshing (and wholly recommended) addition to the Linux literature.”
—Phil Bull, co-author of Ubuntu Made Easy and member of the Ubuntu documentation team

“Dives straight into the transparent depths of Linux-based operating systems and shows us how all the pieces fit together.”
—DistroWatch

“Earns its place on the shelf as an essential reference.”
—The MagPi magazine

About the Author

Brian Ward has been working with Linux since 1993. He is also the author of The Linux Kernel-HOWTO, The Book of VMware (No Starch Press), and The Linux Problem Solver (No Starch Press).

Product details

  • Publisher ‏ : ‎ No Starch Press
  • Publication date ‏ : ‎ April 19, 2021
  • Edition ‏ : ‎ 3rd
  • Language ‏ : ‎ English
  • Print length ‏ : ‎ 464 pages
  • ISBN-10 ‏ : ‎ 1718500408
  • ISBN-13 ‏ : ‎ 978-1718500402
  • Item Weight ‏ : ‎ 1.89 pounds
  • Dimensions ‏ : ‎ 7.01 x 1.06 x 9.25 inches
  • Best Sellers Rank: #22,726 in Books (See Top 100 in Books)
  • Customer Reviews:
    4.7 out of 5 stars (804)

About the author

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Brian Ward

Brian Ward

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