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Guide to using Nano editor in Ubuntu 20.04
The Ubuntu operating system has become one of the most popular Linux distributions in the world. It comes with many built-in tools that make it easy for developers to write and edit code. One such tool is nano, a command-line based text editor.
In this article, we will take an in-depth look at how to use the editor in Ubuntu 20.04nano. We'll start with installing and openingnano, then cover its various features, including basic text editing, find and replace, file saving and exit, and more.
Table of contents
Install Nano
The Ubuntu 20.04 system has the editor installed by defaultnano. If you find that it is not available on your system, you can install it with the following command:
sudo apt-get update
sudo apt-get install nano
The above command will first update your system software libraries and then installnano the editor.
Turn Nano on and off
Openingnano the editor is very simple, just enter the nano command in the terminal:
nano
If you want to open a specific file, such as a file namedexample.txt, you can do this:
nano example.txt
Closenano the editor, you need to use the shortcut keyCtrl + X.
Nano basic operations
Once you have the editor opennano you can start writing and editing text. Here are some basic operations:
Move cursor left
Use the left arrow on your keyboard
Move cursor right
Use the right arrow on your keyboard
Move cursor up
Use the up arrow on your keyboard
Move cursor down
Use the down arrow on your keyboard
Delete characters
useBackspacekey
Add characters
Just enter the character at the cursor
Find and replace text in Nano
Finding specific text is also very easy innanothe editor. First, press Ctrl + W, then enter the word or phrase you want to find in the prompt box, and press Enter.
If you want to replace a word or phrase, you can useCtrl + \ . You will then be prompted to enter the word or phrase you want to find, and then you will be prompted to enter the word or phrase you want to replace it.
Save and exit files
After you finish editing the text, you may want to save your work. In nano, you can press Ctrl + O to save the file. Next, you will be prompted to confirm the file name and save location.
When you want to exitnano, you need to pressCtrl + X. If you try to exit without saving,nano you will be prompted to save your changes.
Nano shortcut key list
In this section we will listnanoall the important shortcut keys in the editor:
Move the cursor to the beginning of the line
Ctrl + A
Cursor moves to end of line
Ctrl + E
scroll up one page
Ctrl + Y
scroll down one page
Ctrl + V
Move to start of file
Alt + \
Move to end of file
Alt + /
Analysis of difficult technical points
1. Nano vs Vim vs Emacs
Nano is a lightweight, easy-to-learn and use text editor. Vim and Emacs are more powerful, but their learning curves are steeper. If you are a beginner or just need to do simple text editing, Nano is a good choice.
2. How to set a color theme in Nano
You can customize nano's color theme by modifying the ~/.nanorc file. For specific steps, please refer tothis article. However, this article seems to have been messed up by the author. You can search for other articles by yourself.
The above is the guide for using the editor in Ubuntu 20.04nano. I hope this article can help you better understand and use thenanoeditor for daily programming work.