The VI editor is a well-known and powerful text editor used in Linux and Unix systems. Although it may seem intimidating at first, with some basic commands, you can use it effectively to edit files. In this blog, we’ll walk you through essential VI commands to help you become comfortable with this editor. Let’s dive into the basics of VI and learn how to make the most of it.
In this blog we will cover,
- What is Linux
- What is VI editor
- Opening a File
- Modes in VI Editor
- Navigating in VI Editor
- Inserting Text
- Saving and Exiting
- Deleting Text
- Undo and Redo
- Searching for Text
- Cut, Copy, and Paste
- Replacing Text
- Conclusion
What is Linux
Linux is an open-source operating system, much like Windows or macOS, that manages both hardware and software on a computer. It’s known for being secure, customizable, and fast, which makes it popular for personal computers, servers, and even smartphones.
If you’re someone who loves to explore how things work under the hood, Linux is a great choice. It offers immense control over the system and is widely used by developers, engineers, and system administrators.
What is VI editor
The VI editor is a simple text editor that comes built into most Linux and Unix systems. It allows you to create and edit text files, like writing notes or modifying configuration files, all from the command line (the terminal).
What makes VI different from other editors is that it doesn’t rely on a mouse or menus. Instead, you use your keyboard to navigate, insert text, delete, and save changes. It might seem tricky at first because it works in different modes (like command mode and insert mode), but once you get the hang of it, VI can be a very fast and powerful tool for editing text files!
Some important basic VI editor Commands
1. Opening a File
To open a file in VI, use the following command in your terminal:
vi filename.txt
If the file doesn’t exist, VI will create it for you.
2. Modes in VI Editor
VI has two main modes:
- Command Mode: This is the default mode where you can navigate and issue commands. You can’t type text in this mode.
- Insert Mode: This mode allows you to edit or insert text.
Switching Modes:
- To enter Insert Mode, press
i. - To return to Command Mode, press
Esc.
5. Saving and Exiting in VI Editor
In Command Mode, use these commands to save and exit:
:w– Save the file:q– Quit VI:wq– Save and quit:q!– Quit without saving (useful if you made mistakes)
6. Deleting Text in VI Editor
VI offers several ways to delete text:
x– Delete the character under the cursordw– Delete a worddd– Delete an entire line
7. Undo and Redo in VI Editor
To correct mistakes:
u– Undo the last changeCtrl + r– Redo the undone change
8. Searching for Text
To search for text in Command Mode:
/text– Search for “text” in the filen– Move to the next search resultN– Move to the previous search result
9. Cut, Copy, and Paste
In Command Mode, use the following to cut, copy, and paste:
yy– Copy (yank) a linep– Paste below the current linedd– Cut a line (delete)
10. Replacing Text
To replace specific text:
r– Replace the character under the cursorR– Enter Replace Mode to overwrite existing text
Conclusion
The VI editor may seem challenging at first, but mastering the basic commands will make it a powerful tool for editing text on Unix-based systems. With this guide, you now know how to open files, navigate, edit text, and save your changes. As you continue using VI, you’ll grow more comfortable and can explore its advanced features. Practice makes perfect, and soon, you’ll be editing files like a pro! Happy editing!
Frequently asked questions
What is Vi editor?
Vi (Visual Interface) is a powerful text editor available by default on most UNIX and Linux systems. It operates in two modes: command mode and insert mode, allowing users to perform various text editing and manipulation tasks.
What is the difference between Vi and Vim?
Vi is the standard text editor in UNIX systems, whereas Vim (Vi Improved) is an enhanced version of Vi with additional features like syntax highlighting, better searching, and plugin support.
How do I enable syntax highlighting in Vi?
Vi does not have syntax highlighting by default. You can install and use Vim for syntax highlighting.
What is the full form of vi editor?
The full form of vi editor is Visual Interface or Visual Editor. It is one of the oldest and most popular text editors in Unix-like operating systems, allowing users to interact with text in a visual way compared to older line-based editors.
What is the advantage of a vi editor?
The vi editor is a fast, lightweight, and built-in text editor available on most Unix systems. It's highly efficient, customizable, and offers powerful features for advanced text editing without heavy resource usage.
Related/References
- Linux Essential Commands: Cheatsheet
- AWS Linux EC2 Instance: All You Need To Know
- DevOps Foundation Certification Exam: Everything You Need To Know
- What Is DevOps | DevOps Principles | Advantages Of DevOps | Why DevOps ?
Next Task For You
Begin your journey towards becoming a DevOps Expert and earn a lot more by landing a high-paying job.
Join FREE CLASS to learn more about the DevOps Roles and Responsibilities, Job opportunities related to DevOps in the market, and what to study Including Hands-On labs and projects you must perform to get your Dream job.
Click on the below image to Register for Our FREE Class on Mastering DevOps on Cloud: How to Build In-Demand Skills and Land High-Paying Jobs
![Microsoft Agentic AI Business Solutions Architect [AB-100] | K21 Academy](https://test.k21academy.com/wp-content/uploads/2025/11/Microsoft-Agentic-AI-Business-Solutions-Architect-AB-100-Exam-Overview1.png)
