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The Ultimate Linux Shell Scripting Guide

The Ultimate Linux Shell Scripting Guide

By : Donald A. Tevault
4.8 (5)
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The Ultimate Linux Shell Scripting Guide

The Ultimate Linux Shell Scripting Guide

4.8 (5)
By: Donald A. Tevault

Overview of this book

Embark on a comprehensive journey through command shells with this hands-on manual. While Bash is a Linux staple, Z shell and PowerShell are rising stars, applicable to Linux, macOS, and Unix. Progress seamlessly through chapters, each building on the last, creating a solid foundation. Learn through a unique approach: concepts, examples, and interactive labs. These labs, nearly a hundred strong, form the core of experiential learning, essential for script creation. Focusing on Linux commands and their scripting applications, this manual is universally relevant across Linux and select Unix-like systems. It goes beyond theory, offering practical scripts for real-world Linux administration. Scripts are designed for manageability, aiding learning and troubleshooting. The goal is to nurture the ability to craft intelligent, functional shell scripts. While centered on Bash, this book offers a peek into the future with Z Shell and PowerShell, expanding your skills and adaptability. This book is systematically structured and engaging so that it will guide you to master command shells, equipping you for real-world Linux challenges.
Table of Contents (26 chapters)
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24
Other Books You May Enjoy
25
Index

Introduction to Z Shell Scripting

Thus far, we’ve mainly talked about bash, since it’s the preeminent login shell and scripting environment for Linux. In recent years, a fairly new kid on the block, Z Shell (zsh) has been gaining a bit of popularity as a default login shell. But, even on the operating systems that come with zsh as the login shell, bash is still there, and bash is what most people still use for scripting purposes. Be aware though, that scripting in zsh does have certain advantages, such as better math capabilities, enhanced variable expansion, and the ability to use native zsh commands instead of utilities such as find, grep, or sed. These features can help you create scripts that are a bit simpler and lighter than equivalent bash scripts.

Most articles and YouTube videos that you see about zsh focus on the user interface enhancements, and very few focus on zsh scripting. Unfortunately, the few books and tutorials that do focus on zsh scripting aren...

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