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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

Understanding Aliases

If you ever watch any crime dramas on television, you might see some criminal who uses more than one name. Of course, only one of those names is the criminal’s real name. All of the other names are fake names, or aliases, that the criminal uses to prevent being found by the police. In the world of operating system shells, aliases are quite useful and have nothing to do with criminal activity. In fact, you’re already using them without realizing it.

Think of an alias as a command that you can use in place of another command. For example, let’s say that you’re one of those poor souls who’s stuck using Windows most of the time, and who only occasionally gets the chance to work with Linux.

Now, let’s say that every time you get on a Linux machine, you instinctively always type in Windows commands, as you’re doing here:

[donnie@fedora-server ~]$ ls
[donnie@fedora-server ~]$ ls -a
.  ..  .bash_history  ...

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