What does vi command mean in linux?

vi in ​​Linux is a text editor. By entering the vi command in the terminal, you can open a file and edit it. In addition to editing mode, vi has other modes, such as command mode and terminal mode. Row modes, these modes provide richer editing and operation functions.

The operating system of this tutorial: Linux5.18.14 system, Dell G3 computer.

vi in ​​Linux is a text editor. vi is the abbreviation of "visual editor", which is a powerful text editing tool widely used on UNIX systems.

By entering the vi command in the terminal, you can open a file and edit it. vi provides many functions and commands, such as insert, delete, replace, find, save, etc., allowing users to perform flexible editing operations on text files.

When you use vi to open a file, you will enter vi's editing mode. In this mode, you can use different commands to perform various editing operations.

Some commonly used vi commands include:

• i: Insert text before the cursor position.

• x: Delete the character at the cursor position.

• :w: Save the file.

• :q: Exit vi editor.

• :wq: Save and exit the editor.

In addition to editing mode, vi also has other modes, such as command mode and last line mode, which provide richer editing and operation functions. To switch to another mode, you can press a specific keyboard shortcut, such as pressing the Esc key to switch to command mode.

Please note that vi may take some time to become familiar with its usage and commands when you first use it. But once you master the basic operations, vi is a very powerful and efficient text editing tool.

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