This free ebook is a practical guide to Linux commands,editors, and shell programming techniques.The essential reference for core commands that Linux users need daily, along with superior tutorial on shell programming and much moreSystem administrators, software developers, quality assurance engineers and others working on a Linux system need to work from the command line in order to be effective. Linux is famous for its huge number of command line utility programs, and the programs themselves are famous for their large numbers of options, switches, and configuration files. But the truth is that users will only use a limited number of these utilities on a recurring basis, and then only with a subset of the most important and useful options, switches and configuration files. This book cuts through all the noise and shows them which utilities are most useful, and which options most important. And it contains examples, lot's and lot's of examples. This book is organized for ease of use in different situations. For example, you can read it from cover to cover to learn command line Linux from the ground up. Alternatively, once you are comfortable using Linux, you can use this book as a reference: Look up a topic of interest in the table of contents or index and read about it.

And Linux is also famous for its "programmability." Utilities are designed, by default, to work wtih other utilities within shell programs as a way of automating system tasks. This book contains a superb introduction to Linux shell programming. And since shell programmers need to write their programs in text editors, this book covers the two most popular ones: vi and emacs. A Practical Guide to Linux Commands, Editors, and Shell Programming gives you an in-depth understanding of how to use Linux from the command line. Regardless of your background, it offers the knowledge you need to get on with your work: You will come away from this book understanding how to use Linux, and this text will remain a valuable reference for years to come.

This book is designed for a wide range of readers. It does not require programming experience, although some experience using a general-purpose computer is helpful. It is appropriate for the following readers:

Students taking a class in which they use Linux

Power users who want to explore the power of Linux from the command line

Professionals who use Linux at work

System administrators who need a deeper understanding of Linux and the tools

Computer science students who are studying the Linux operating system

Programmers who need to understand the Linux programming environment

Technical executives who want to get a grounding in Linux



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