vi Editor: Options Many parameters of the vi editor are controlled by option settings: search modes, margins, tabs, line numbers, etc. To set these modes the way you like, you can modify the values of these options.
You can set options while in the vi edit session. Just type colon (:) and to the prompt type:
Numerical options are followed by "=number". Boolean options are reset by preceding their name with "no" (e.g. "nomagic"). For a complete list of options, start vi and type ":set all". Some useful options are:
You can also create a file called .exrc in your home directory and place the set commands in it:
set option1 option2 option3=n