Linux Command Line and Shell Scripting. Bible
4th edition

Become proficient in the Linux Shell with this indispensable and approachable resource Newly revised and comprehensively updated, the Fourth Edition of Linux Command Line and Shell Scripting Bible provides readers with accessible instruction on the basic and advanced topics they'll need to learn and master Linux shell scripting. Accomplished authors Richard Blum and Christine Bresnahan walk you through real-world Linux environments using new functional script examples.
You'll learn how to write simple script utilities, as well as how to produce advanced scripts using sed, gawk, and regular expressions. Discover how to get started with Linux using various distributions, how to issue basic commands, use Linux environment variables, and understand Linux file permissions. The book also teaches you how to install software and work with Linux Shell script editors like vim, nano, and emacs.
Perfect for Linux system administrators seeking tutorials on how to write and use shell scripts or a quick reference book for commands and procedures. Linux Command Line and Shell Scripting Bible also belongs on the bookshelves of Linux enthusiasts who want to dig deeper into thëir favorite operating system. Written in an approachable and jargon-free style designed to help you get the most out of your Linux Shell scripting experience, this book will teach you how to : Create and manage practical scripts, including how to write script utilities.
Work with alternative shells, like dash and zsh. Make the best use of the gawk and sed editors. Use and define regular and extended regular expressions ; Write Linux Shell scripts for graphical desktops in both KDE and GNOME. Create basic and advanced functions