NanoEditor

Learn to use nano to edit text files.

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What is a text editor?

A text editor is a program that allows you to create and edit text files. Text editors are used to write code, take notes, and create documents. There are many different text editors available, each with its own features and capabilities.

We will be using nano, a simple and easy-to-use text editor that is available on most Unix-based systems.

Getting Started

To get started, open a terminal window on your computer.

Type nano

You should see a blank screen with a few lines of information at the bottom. Notice what you can "do" with nano at the bottom of the screen.

Basic Commands

Here are some basic commands you can use in nano:

• Ctrl-O: Write Out (save) the current file
• Ctrl-X: Exit the editor
• Ctrl-G: Get Help
• Ctrl-C: Show Cursor Position

But what does Crtl- mean? It means to hold down the control key while pressing the other key. control works like shift, but you cannot see the difference on the screen.

Editing Text

To edit text in nano, simply start typing. You can move the cursor around using the arrow keys on your keyboard.

Paste in this text:

# NanoEditor

Learn to use `nano` to edit text files.

Saving Your Work

To save your work in nano, press Ctrl-O. You will be prompted to enter a filename.

Type simple.md and press Enter.

Now exit the editor by pressing Ctrl-X.

Viewing Your File

To view the file you just created, type cat simple.md in the terminal.

You should see the text you entered in nano.

Editing an Existing File

To edit an existing file with nano, type nano simple.md in the terminal.

You can now edit the file as you did before. Add the following text to the file:

What is a text editor?

A text editor is a program that allows you to create and edit text files.

Save your changes by pressing Ctrl-O and then exit nano by pressing Ctrl-X.

Verify that the changes were saved by typing cat simple.md in the terminal.

Conclusion

You have now learned how to use nano to create and edit text files. (Just the very basics)

See Hello.java with nano in the next file HelloJava.md.

And for more advanced text editing, see Nano cheat sheet.