(info-stnd.info) Miscellaneous Commands

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 Miscellaneous Commands
 **********************
 
    GNU Info contains several commands which self-document GNU Info:
 
 `M-x describe-command'
      Read the name of an Info command in the echo area and then display
      a brief description of what that command does.
 
 `M-x describe-key'
      Read a key sequence in the echo area, and then display the name and
      documentation of the Info command that the key sequence invokes.
 
 `M-x describe-variable'
      Read the name of a variable in the echo area and then display a
      brief description of what the variable affects.
 
 `M-x where-is'
      Read the name of an Info command in the echo area, and then display
      a key sequence which can be typed in order to invoke that command.
 
 <C-h> (`get-help-window')
 <?>
 <F1> (on DOS/Windows only)
 h, vi-like operation
      Create (or Move into) the window displaying `*Help*', and place a
      node containing a quick reference card into it.  This window
      displays the most concise information about GNU Info available.
 
 <h> (`get-info-help-node')
 <M-h>, vi-like operation
      Try hard to visit the node `(info)Help'.  The Info file
      `info.texi' distributed with GNU Info contains this node.  Of
      course, the file must first be processed with `makeinfo', and then
      placed into the location of your Info directory.
 
    Here are the commands for creating a numeric argument:
 
 <C-u> (`universal-argument')
      Start (or multiply by 4) the current numeric argument.  `C-u' is a
      good way to give a small numeric argument to cursor movement or
      scrolling commands; `C-u C-v' scrolls the screen 4 lines, while
      `C-u C-u C-n' moves the cursor down 16 lines.  `C-u' followed by
      digit keys sets the numeric argument to the number thus typed:
      `C-u 1 2 0' sets the argument to 120.
 
 <M-1> (`add-digit-to-numeric-arg')
 <1>, vi-like operation
 <M-2> ... <M-9>
 <2> ... <9>, vi-like operation
 <M-0>
 <0>, vi-like operation
      Add the digit value of the invoking key to the current numeric
      argument.  Once Info is reading a numeric argument, you may just
      type the digits of the argument, without the Meta prefix.  For
      example, you might give `C-l' a numeric argument of 32 by typing:
 
           C-u 3 2 C-l
 
      or
 
           M-3 2 C-l
 
 <M-> (`add-digit-to-numeric-arg'
 <->
      To make a negative argument, type `-'.  Typing `-' alone makes a
      negative argument with a value of -1.  If you continue to type
      digit or Meta-digit keys after `-', the result is a negative
      number produced by those digits.
 
      `-' doesn't work when you type in the echo area, because you need
      to be able to insert the `-' character itself; use `M--' instead,
      if you need to specify negative arguments in the echo area.
 
    `C-g' is used to abort the reading of a multi-character key
 sequence, to cancel lengthy operations (such as multi-file searches) and
 to cancel reading input in the echo area.
 
 <C-g> (`abort-key')
 <C-u>, vi-like operation
      Cancel current operation.
 
    The `q' command of Info simply quits running Info.  Under
 `--vi-keys' ( --vi-keys), you can also exit with `:q' or `ZZ'.
 
 <q> (`quit')
 `C-x C-c'
 `:q', vi-like operation
 `ZZ', vi-like operation
      Exit GNU Info.
 
    If the operating system tells GNU Info that the screen is 60 lines
 tall, and it is actually only 40 lines tall, here is a way to tell Info
 that the operating system is correct.
 
 `M-x set-screen-height'
      Read a height value in the echo area and set the height of the
      displayed screen to that value.
 
    On MS-DOS/MS-Windows, this command actually tries to change the
 dimensions of the visible screen to the value you type in the echo area.
 
    Finally, Info provides a convenient way to display footnotes which
 might be associated with the current node that you are viewing:
 
 <ESC C-f> (`show-footnotes')
      Show the footnotes (if any) associated with the current node in
      another window.  You can have Info automatically display the
      footnotes associated with a node when the node is selected by
      setting the variable `automatic-footnotes'.  
      `automatic-footnotes' Variables.
 

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