Foundations of Information Security: A Straightforward Introduction
Jason Andress
Real-World Bug Hunting
Peter Yaworski
grep Pocket Reference
John Bambenek & Agnieszka Klus
Learning the bash Shell
Cameron Newham
Unix Power Tools
Shelley Powers
Network Programmability and Automation
Jason Edelman & Scott S. Lowe & Matt Oswalt
Linux System Programming
Robert Love
Linux Pocket Guide
Daniel J. Barrett
Linux Device Drivers
Jonathan Corbet & Alessandro Rubini & Greg Kroah-Hartman
Learning CoreDNS
John Belamaric & Cricket Liu
Effective Awk Programming
Arnold Robbins
Cybersecurity Ops with bash
Paul Troncone & Carl Albing Ph.D.
Classic Shell Scripting
Arnold Robbins & Nelson H. F. Beebe
Bash Cookbook
Carl Albing & JP Vossen