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Info Node: (info-stnd.info)Miscellaneous Commands

(info-stnd.info)Miscellaneous Commands


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Miscellaneous Commands
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   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' (Note: --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'.  Note:
     `automatic-footnotes'.


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