Linux: The Comprehensive Guide

Learn Linux Quickly : A beginner-friendly guide to getting up and running with the world's most powerful operating system

Linux for Beginners: A Practical and Comprehensive Guide to Learn Linux Operating System and Master Linux Command Line. Contains Self-Evaluation Tests to Verify Your Learning Level

Linux: A Complete Guide to Learn Linux Commands, Linux Operating System and Shell Scripting Step-by-Step

Linux All-In-One For Dummies (For Dummies (Computer/Tech))