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