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Linux Command Line and Shell Scripting Techniques

You're reading from   Linux Command Line and Shell Scripting Techniques Master practical aspects of the Linux command line and then use it as a part of the shell scripting process

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Product type Paperback
Published in Mar 2022
Publisher Packt
ISBN-13 9781800205192
Length 552 pages
Edition 1st Edition
Tools
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Authors (2):
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Jasmin Redzepagic Jasmin Redzepagic
Author Profile Icon Jasmin Redzepagic
Jasmin Redzepagic
Vedran Dakic Vedran Dakic
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Vedran Dakic
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Table of Contents (19) Chapters Close

Preface 1. Chapter 1: Basics of Shell and Text Terminal 2. Chapter 2: Using Text Editors FREE CHAPTER 3. Chapter 3: Using Commands and Services for Process Management 4. Chapter 4: Using Shell to Configure and Troubleshoot a Network 5. Chapter 5: Using Commands for File, Directory, and Service Management 6. Chapter 6: Shell-Based Software Management 7. Chapter 7: Network-Based File Synchronization 8. Chapter 8: Using the Command Line to Find, Extract, and Manipulate Text Content 9. Chapter 9: An Introduction to Shell Scripting 10. Chapter 10: Using Loops 11. Chapter 11: Working with Variables 12. Chapter 12: Using Arguments and Functions 13. Chapter 13: Using Arrays 14. Chapter 14: Interacting with Shell Scripts 15. Chapter 15: Troubleshooting Shell Scripts 16. Chapter 16: Shell Script Examples for Server Management, Network Configuration, and Backups 17. Chapter 17: Advanced Shell Script Examples 18. Other Books You May Enjoy

Setting up the user shell

Now that we have learned about how to access the shell, let's configure it for our comfortable use. We're going to see a couple of examples so that we can understand how customizable the Linux shell is. Specifically, we're going to customize the look and feel of our prompt.

Getting ready

We just need to keep our virtual machines up and running.

How to do it…

We're going to edit a file called /home/student/.bashrc. Before we do that, let's create a backup copy of the .bashrc file, just in case we make some mistakes:

cp /home/student/.bashrc /home/student/.bashrc.tmp

Before we edit this file, make sure that you take note of how the prompt looks at this point. If you're logged in as student to the cli1 machine, your prompt should look like this:

student@cli1:~$

Let's edit the .bashrc file by using nano. Type in the following command:

nano /home/student/.bashrc

When we type in this command...

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