What Does Vi Command Do in Linux?

vi is an interactive text editor that is display-oriented: the screen of your terminal acts as a window into the file you are editing. Changes you make to the file are reflected in what you see. Using vi you can insert text anywhere in the file very easily. Most of the vi commands move the cursor around in the file.

What is vi command line?

The vi editor is a command-line, interactive editor that you can use to create and modify text files. The vi editor is also the only text editor that you can use to edit certain system files without changing the permissions of the files. The Vim editor is an enhanced version of the vi editor.

What is vi in shell script?

vi is historicaly the visual mode of an old editor ex , an extended version of the good old ed . You can always revert to the old line mode by using ex or vi -e . That way, it just read from standard input, so it can easily be used in bash scripts.