sed and awk Pocket Reference: Text Processing with Regular Expressions, Edition 2

bash Cookbook: Solutions and Examples for bash Users, Edition 2

Effective awk Programming: Universal Text Processing and Pattern Matching, Edition 4

Learning the bash Shell: Unix Shell Programming, Edition 3

vi Editor Pocket Reference

SSH, The Secure Shell: The Definitive Guide: The Definitive Guide, Edition 2

GDB Pocket Reference: Debugging Quickly & Painlessly with GDB

vi and Vim Editors Pocket Reference: Support for every text editing task, Edition 2

Linux Kernel Development: Edition 3

Unix in a Nutshell: A Desktop Quick Reference - Covers GNU/Linux, Mac OS X,and Solaris, Edition 4

How Linux Works, 3rd Edition: What Every Superuser Should Know

Classic Shell Scripting: Hidden Commands that Unlock the Power of Unix

Python Cookbook: Recipes for Mastering Python 3, Edition 3

Learning the vi and Vim Editors: Power and Agility Beyond Just Text Editing, Edition 8

Android Programming: Pushing the Limits

sed & awk: UNIX Power Tools, Edition 2

Developer Experience

Learning the Korn Shell: Unix Programming, Edition 2