|Enter command-line mode|
Command-line mode is entered through normal mode. You will know you are in command-line mode when there is a
: in the bottom left corner of your terminal window.
Normal mode is the default mode of vi/vim and can be switched to by pressing the ESC.
Vi/Vim have built-in checks to prevent unsaved work from being lost and other useful features. To bypass these checks, use the override
! in your command.
In Vi/Vim it is possible to have more than one file displayed (in different windows) at the same time. Use
a to close all the opened windows.