4.7 Options

autoindent
ai

autoindent: In append mode after a <cr> the cursor will move directly below the first character on the previous line. This setting affects the current buffer only.

autoindent-global
ai-global

Same as autoindent, but affects all buffers.

noautoindent
noai

Cancel autoindent.

noautoindent-global
noai-g

Cancel autoindent-global.

ignorecase
ic

ignorecase: No distinction between upper and lower cases when searching.

noignorecase
noic

Cancel ignorecase.

magic
ma

Regular expressions used in searches; nomagic means no regexps.

nomagic
noma

Cancel magic.

readonly
ro

readonly: The file is not to be changed. If the user attempts to write to this file, confirmation will be requested.

noreadonly
noro

Cancel readonly.

shell=<string>
sh=<string>

shell: The program to be used for shell escapes (default ‘$SHELL’ (default /bin/sh)).

shiftwidth=<count>
sw=<count>

shiftwidth: Gives the shiftwidth (default 8 positions).

showmatch
sm

showmatch: Whenever you append a ), Vi shows its match if it’s on the same page; also with { and }. If there’s no match, Vi will beep.

noshowmatch
nosm

Cancel showmatch.

tabstop=<count>
ts=<count>

tabstop: The length of a <ht>; warning: this is only IN the editor, outside of it <ht>s have their normal length (default 8 positions). This setting affects the current buffer only.

tabstop-global
ts-g

Same as tabstop, but affects all buffers.

wrapmargin=<count>
wm=<count>

wrapmargin: In append mode Vi automatically puts an <lf> whenever there is an <sp> or <ht> within <wm> columns from the right margin.

wrapscan
ws

wrapscan: When searching, the end is considered ‘stuck’ to the begin of the file.

nowrapscan
nows

Cancel wrapscan.

:set <option>

Turn <option> on.

:set no<option>

Turn <option> off.

:set <option>=<value>

Set <option> to <value>.