Linux Command Line. Complete Guide

The international bestseller «Linux Command Line» will help you overcome the path from your first timid keystrokes to confidently creating full-fledged programs for the latest version of bash — the most popular command shell for Linux.
The second edition covers new... features of bash 4.x, such as new redirect operators and substitution operations. In the section dedicated to shell scripts, modern reliable programming methods are discussed, ways to prevent typical mistakes, and potentially dangerous situations.
You will master timeless command line skills: navigating the file system, configuring the environment, chaining commands, and pattern matching with regular expressions. You will understand the philosophy underlying many command line tools, delve into the rich legacy inherited from Unix supercomputers, and engage with the knowledge accumulated by generations of gurus who have eliminated the mouse from their toolbox.