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

Linux Shell Scripting Cookbook

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

Learning the bash Shell: Unix Shell Programming, Edition 3

vi Editor Pocket Reference

Mastering Linux Shell Scripting

GDB Pocket Reference: Debugging Quickly & Painlessly with GDB

Shell Scripting: Expert Recipes for Linux, Bash, and more

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

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

The Mathematical-Function Computation Handbook: Programming Using the MathCW Portable Software Library

Linux Kernel Development: Edition 3

Bash Pocket Reference: Help for Power Users and Sys Admins, Edition 2

Linux Device Drivers: Where the Kernel Meets the Hardware, Edition 3

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

Linux iptables Pocket Reference: Firewalls, NAT & Accounting

sed & awk: UNIX Power Tools, Edition 2

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

Unix Power Tools: Edition 3