Starts Insert mode in text areas when 'insertmode' is not set.
Insert-mode Insert mode-insert
Insert mode is used to enter text in text boxes and text areas. When 'insertmode' is set, focusing on a text area immediately switches to Insert mode.
i
Starts Insert mode in text areas when 'insertmode' is not set.
i_<C-i>
Launch the external editor. See the 'editor' option.
i_<C-]>
Expand an Insert-mode abbreviation.