Linux in a Nutshell
Ellen Siever & Stephen Figgins & Robert Love & Arnold Robbins
Practical Binary Analysis
Dennis Andriesse
The Car Hacker's Handbook
Craig Smith
Linux System Programming
Robert Love
Bash Cookbook
Carl Albing & JP Vossen
grep Pocket Reference
John Bambenek & Agnieszka Klus
Linux Pocket Guide
Daniel J. Barrett
Linux Device Drivers
Jonathan Corbet & Alessandro Rubini & Greg Kroah-Hartman
Linux Basics for Hackers
OccupyTheWeb
Unix Power Tools
Shelley Powers
Effective Awk Programming
Arnold Robbins
Classic Shell Scripting
Arnold Robbins & Nelson H. F. Beebe
The Linux Command Line, 2nd Edition
William Shotts
Cybersecurity Ops with bash
Paul Troncone & Carl Albing Ph.D.