Sign In Start Free Trial
Account

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying The Ultimate Linux Shell Scripting Guide
  • Table Of Contents Toc
  • Feedback & Rating feedback
The Ultimate Linux Shell Scripting Guide

The Ultimate Linux Shell Scripting Guide

By : Donald A. Tevault
4.8 (5)
close
close
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)
close
close
24
Other Books You May Enjoy
25
Index

Understanding Variables and Pipelines

In the previous chapter, you saw how the shell interprets users’ commands, and you saw various examples of how to craft your commands. In this chapter, I’ll tell you about variables and pipelines.

The ability to create variables and assign values to them is an important part of any programming environment. As you would expect, both bash and zsh have this capability. In the first part of this chapter, we’ll cover the basics about environmental variables and programming variables.

In the second part of the chapter, we’ll cover how to use pipelines. Pipelines are very simple, and you might have already used them at some point. So, I promise to make this write-up both short and sweet. (Actually, there’s not a lot to say just yet about either of these topics, which is why I’m combining both of them into one chapter.)

Topics in the chapter include:

  • Understanding environmental variables...

Unlock full access

Continue reading for free

A Packt free trial gives you instant online access to our library of over 7000 practical eBooks and videos, constantly updated with the latest in tech
bookmark search playlist download font-size

Change the font size

margin-width

Change margin width

day-mode

Change background colour

Close icon Search
Country selected

Close icon Your notes and bookmarks

Delete Bookmark

Modal Close icon
Are you sure you want to delete it?
Cancel
Yes, Delete

Confirmation

Modal Close icon
claim successful

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY