Linux Mastery for Hackers: A Beginner's Guide to Networking, Bash Scripting, and

Bash Scripting Excellence - The Ultimate Guide to Linux Command Line Scripting:

Shell Programming and Bash Scripting: Ultimate Beginners Guide Book

Mastering Linux Shell Scripting,: A practical guide to Linux command-line, Bash

The Ultimate Linux Shell Scripting Guide: Automate, Optimize, and ... Paperback

Linux Command Line: Beginners Guide to Learn Linux Commands and Shell Scripting