viper: Options

 
 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 a <lf> whenever
      there is a <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>.