Books

Linux Desktop

The Official Ubuntu Book 9th Edition : Amazon, Barnes & Noble, O’Reilly

Linux Server

Mastering Ubuntu Server 3rd Edition : Amazon, Barnes & Noble, O’Reilly

Universal Linux

Linux Pocket Guide: Essential Commands 3rd Edition : Amazon, Barnes & Noble, O’Reilly

The Linux Command Line 2nd Edition: A Complete Introduction : Amazon, O’Reilly, No Starch Press