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GNU Info contains several commands which self-document GNU Info:
M-x describe-command
-
Reads the name of an Info command in the echo area and then displays a
brief description of what that command does.
M-x describe-key
-
Reads a key sequence in the echo area, and then displays the name and
documentation of the Info command that the key sequence invokes.
M-x describe-variable
-
Reads the name of a variable in the echo area and then displays a brief
description of what the variable affects.
M-x where-is
-
Reads the name of an Info command in the echo area, and then displays
a key sequence which can be typed in order to invoke that command.
C-h
(get-help-window
)
-
?
-
Creates (or moves into) the window displaying
*Help*
, and places
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
)
-
Tries 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
)
-
Starts (or multiplies 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.
M-1
(add-digit-to-numeric-arg
)
-
M-2
... M-9
-
Adds 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
`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
)
-
Cancels current operation.
The `q' command of Info simply quits running Info.
q
(quit
)
-
Exits 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
-
Reads a height value in the echo area and sets the height of the
displayed screen to that value.
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
)
-
Shows 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
. See section Manipulating Variables.
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