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

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

Linux: The Comprehensive Guide

The Linux Command Line Beginner's Guide

Linux for Absolute Beginners: You need no prior knowledge to benefit from this Linux book for beginners!