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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

Running Commands Recursively

We’ve already shown you that the find utility is inherently recursive. That is, it will automatically search through the subdirectories of your specified search path without you having to tell it to. Most Linux commands aren’t that way, however. If you want them to work recursively, you’ll have to tell them to. For the most part, this is done with either the -R switch or the -r switch. (Some commands use –R, and some use –r. Something that you’ll eventually see for yourself is that there’s not a lot of consistency in how the different commands work with option switches.) Let’s see how it all works with a hands-on lab.

The examples in this section involve using the numeric method to set file and directory permissions. For anyone who’s not familiar with how to do that, I’ve provided a reference in the Further Reading section.

Hands-on Lab – Using Commands with...

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