Classic Shell Scripting
Arnold Robbins & Nelson H. F. Beebe
Learning the Vi and Vim Editors
Arnold Robbins & Elbert Hannah
Learning the bash Shell
Cameron Newham
Xanathar's Guide to Everything
Dungeons & Dragons
Bash Cookbook
Carl Albing & JP Vossen
Linux Pocket Guide
Daniel J. Barrett
Learning CoreDNS
John Belamaric & Cricket Liu
Linux Device Drivers
Jonathan Corbet & Alessandro Rubini & Greg Kroah-Hartman
Network Programmability and Automation
Jason Edelman & Scott S. Lowe & Matt Oswalt
Linux System Programming
Robert Love
Unix Power Tools
Shelley Powers
Effective Awk Programming
Arnold Robbins
Cybersecurity Ops with bash
Paul Troncone & Carl Albing Ph.D.