Vi Modes

Vi Modes

Vi has three operating modes:

Regular mode
This is the mode you enter whenever you open a file. This mode allows typing commands

Insertion mode
This mode makes it possible to insert characters you capture inside of the document. To switch to insertion mode, just press the key Insert on your keyboard or, by default, the key i

Replacement mode
This mode allows you to replace existing text by the text you capture. Just hit r again to go to replacement mode and hit the key Esc to return to regular mode