Linux Pocket Guide: Essential Commands, 3rd Edition
What’s in This Book?
This book is a short guide, not a comprehensive reference. We cover important, useful aspects of Linux so you can work productively. We do not, however, present every single command and every last option (our apologies if your favorite was omitted), nor delve into detail about operating system internals. Short, sweet, and essential—that’s our motto.
We focus on commands, those pesky little words you type on a command line to tell a Linux system what to do. Here’s an example command that counts lines of text in a file, myfile:
wc -l myfile
We’ll cover the most important Linux commands for the average user, such as
ls (list files),
grep (search for text),
mplayer (play audio and video files), and
df (measure free disk space). We touch only briefly on graphical windowing environments like GNOME and KDE, each of which could fill a Pocket Guide by itself.
We’ve organized the material by function to provide a concise learning path. For example, to help you view the contents of a file, we introduce many file-viewing commands together:
cat for short text files,
less for longer ones,
od for binary files, and so on. Then we explain each command in turn, briefly presenting its common uses and options.
We assume you have access to a Linux system and know how to log in with your username and password. If not, get your hands on a Linux “live” DVD, such as Ubuntu, Fedora, or Knoppix, which you can boot on most computers to play around with Linux.
What’s New in the Third Edition?
- New commands
- Technology changes quickly, and some commands that made sense to cover in the first two editions are barely used today. We’ve replaced these commands with new ones that you’ll find immediately practical on a modern Linux system.
- Runnable examples
- You can now download a set of files from the book’s website and run the book’s example commands as you read them.
- Goodbye, GUI applications
- We no longer cover applications that have graphical user interfaces, such as photo editors and web browsers, in order to focus purely on commands. You can find these applications yourself pretty easily these days just by searching the Web.
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|Epub||July 29, 2016|
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