Info: An Introduction
The GNU Project distributes most of its manuals in the Info format, which you read using an Info reader. You are probably using an Info reader to read this now.
There are two primary Info readers:
info, a stand-alone program
designed just to read Info files (see What is Info? in GNU Info), and the
info package in GNU Emacs, a
general-purpose editor. At present, only the Emacs reader supports
using a mouse.
This file describes how to use Info, the menu-driven GNU documentation system.
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with the Front-Cover Texts being “A GNU Manual,” and with the Back-Cover Texts as in (a) below. A copy of the license is included in the section entitled “GNU Free Documentation License”.
(a) The FSF’s Back-Cover Text is: “You have the freedom to copy and modify this GNU manual.”