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### 1.2 How to use Info

You are talking to the program Info, for reading documentation.

There are two ways to use Info: from within Emacs or as a stand-alone reader that you can invoke from a shell using the command `info`.

Right now you are looking at one Node of Information. A node contains text describing a specific topic at a specific level of detail. This node’s topic is “how to use Info”. The mode line says that this is node ‘`Help`’ in the file `info`.

The top line of a node is its header. This node’s header (look at it now) says that the ‘`Next`’ node after this one is the node called ‘`Help-P`’. An advanced Info command lets you go to any node whose name you know. In the stand-alone Info reader program, the header line shows the names of this node and the Info file as well. In Emacs, the header line is displayed with a special typeface, and remains at the top of the window all the time even if you scroll through the node.

Besides a ‘`Next`’, a node can have a ‘`Previous`’ link, or an ‘`Up`’ link, or both. As you can see, this node has all of these links.

Now it is time to move on to the ‘`Next`’ node, named ‘`Help-P`’.

    >> Type n to move there.  Type just one character;
       do not type the quotes and do not type a RET afterward.

‘`>>`’ in the margin means it is really time to try a command.

    >> If you are in Emacs and have a mouse, and if you already practiced
       typing n to get to the next node, click now with the left
       mouse button on the ‘Next’ link to do the same “the mouse way”.

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