Linux System Programming
Robert Love
Effective Awk Programming
Arnold Robbins
Xanathar's Guide to Everything
Dungeons & Dragons
The Linux Command Line, 2nd Edition
William Shotts
Linux in a Nutshell
Ellen Siever & Stephen Figgins & Robert Love & Arnold Robbins
Learning the Vi and Vim Editors
Arnold Robbins & Elbert Hannah
Docker: Up & Running
Sean P. Kane & Karl Matthias
grep Pocket Reference
John Bambenek & Agnieszka Klus