Potato Man, The Living Potato Superhero - Part I

Bash for Black Hats: Offensive Shell Scripting Techniques for Hackers, Red Teams, and Security Professionals

Learn C Shell Scripting in 5 Days: Lab Guide Method

Advanced Unix Shell Scripting: How to Reduce Your Labor and Increase Your Effectiveness Through Mastery of Unix Shell Scripting and Awk Programming

UNIX Unleashed: A Practical Guide for Programming and Shell Scripting (C/C++ data structure)

Unix in easy steps: Commanding the BASH shell

Linux Cheat Sheet and Notebook: An At a Glance Linux Cheat Sheet and Notebook, 5x8, College Ruled 120 pages

The Software Developer's Guide to Linux: A practical, no-nonsense guide to using the Linux command line and utilities as a software developer

Linux Pocket Guide