The Emacs Editor

Emacs is the advanced, extensible, customizable, self-documenting editor. This manual describes how to edit with Emacs and some of the ways to customize it; it corresponds to GNU Emacs version 28.2.

The GNU Emacs website is at https://www.gnu.org/software/emacs/.

To view this manual in other formats, click here.

You can also purchase a printed copy from the FSF store.

For information on extending Emacs, see Emacs Lisp in The Emacs Lisp Reference Manual.

This is the GNU Emacs Manual, updated for Emacs version 28.2.

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 the Invariant Sections being “The GNU Manifesto,” “Distribution” and “GNU GENERAL PUBLIC LICENSE,” 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. Buying copies from the FSF supports it in developing GNU and promoting software freedom.”