How can you quickly save your work and exit the vi editor?

To quickly save your work and exit the vi editor, switch to command mode by pressing 'Escape', input the command ':wq', and press 'Enter'. This saves your changes and quits the editor.

Explanation:

In the vi editor, a widely used text editor in the Unix operating system, quickly saving your work and exiting can be done by following these steps:

First, ensure you are in command mode, not insert mode. Insert mode is where you input text, while command mode lets you enter commands. You can switch to command mode by pressing the Escape key on your keyboard.
Once in command mode, input the command ":wq" (without the quotes), which stands for 'write and quit.' This command has two parts: 'w' saves your changes, and 'q' quits the editor.
Press the Enter key to execute this command. After doing this, you will exit the editor and your file will be saved.

This method is a swift and easy way to save your progress and quit when using the vi editor. It's vital to note that if you don't have the necessary permissions to write to the file or the file is read-only, you'll need to use ":wq!" to force the changes.

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