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Definitions for EMACS:

Virtual Entity of Relevant Acronyms (Version 1.9, June 2002) :
EMACS Editing MACroS (GNU)

Jargon File (4.3.1, 29 Jun 2001) :
EMACS /ee'maks/ n. [from Editing MACroS] The ne plus ultra of hacker editors, a programmable text editor with an entire LISP system inside it. It was originally written by Richard Stallman in TECO under {ITS} at the MIT AI lab; AI Memo 554 described it as "an advanced, self-documenting, customizable, extensible real-time display editor". It has since been reimplemented any number of times, by various hackers, and versions exist that run under most major operating systems. Perhaps the most widely used version, also written by Stallman and now called "GNU EMACS" or GNUMACS, runs principally under Unix. (Its close relative XEmacs is the second most popular version.) It includes facilities to run compilation subprocesses and send and receive mail or news; many hackers spend up to 80% of their tube time inside it. Other variants include GOSMACS, CCA EMACS, UniPress EMACS, Montgomery EMACS, jove, epsilon, and MicroEMACS. (Though we use the original all-caps spelling here, it is nowadays very commonly `Emacs'.) Some EMACS versions running under window managers iconify as an overflowing kitchen sink, perhaps to suggest the one feature the editor does not (yet) include. Indeed, some hackers find EMACS too heavyweight and baroque for their taste, and expand the name as `Escape Meta Alt Control Shift' to spoof its heavy reliance on keystrokes decorated with bucky bits. Other spoof expansions include `Eight Megabytes And Constantly Swapping' (from when that was a lot of core), `Eventually `malloc()'s All Computer Storage', and `EMACS Makes A Computer Slow' (see {recursive acronym}). See also vi.

The Free On-line Dictionary of Computing (27 SEP 03) :
Emacs /ee'maks/ (Editing MACroS, or Extensible MACro System, GNU Emacs) A popular screen editor for Unix and most other operating systems. Emacs is distributed by the Free Software Foundation and was Richard Stallman's first step in the GNU project. Emacs is extensible - it is easy to add new functions; customisable - you can rebind keys, and modify the behaviour of existing functions; self-documenting - there is extensive on-line, context-sensitive help; and has a real-time "what you see is what you get" display. Emacs is writen in C and the higher levels are programmed in Emacs Lisp. Emacs has an entire Lisp system inside it. It was originally written in TECO under ITS at the MIT {AI lab}. AI Memo 554 described it as "an advanced, self-documenting, customisable, extensible real-time display editor". It includes facilities to view directories, run compilation subprocesses and send and receive electronic mail and Usenet news (GNUS). W3 is a web browser, the ange-ftp package provides transparent access to files on remote FTP servers. Calc is a calculator and {symbolic mathematics} package. There are "modes" provided to assist in editing most well-known programming languages. Most of these extra functions are configured to load automatically on first use, reducing start-up time and memory consumption. Many hackers (including Denis Howe) spend more than 80% of their tube time inside Emacs. GNU Emacs is available for Unix, VMS, GNU/Linux, FreeBSD, NetBSD, OpenBSD, MS Windows, {MS-DOS}, and other systems. Emacs has been re-implemented more than 30 times. Other variants include GOSMACS, CCA Emacs, UniPress Emacs, Montgomery Emacs, and XEmacs. Jove, epsilon, and MicroEmacs are limited look-alikes. Some Emacs versions running under window managers iconify as an overflowing kitchen sink, perhaps to suggest the one feature the editor does not (yet) include. Indeed, some hackers find Emacs too heavyweight and baroque for their taste, and expand the name as "Escape Meta Alt Control Shift" to spoof its heavy reliance on keystrokes decorated with bucky bits. Other spoof expansions include "Eight Megabytes And Constantly Swapping", "Eventually "malloc()'s All Computer Storage", and "Emacs Makes A Computer Slow" (see {recursive acronym}). See also vi. Latest version: 20.6, as of 2000-05-11. 21.1 (RSN) adds a new redisplay engine with support for proportional text, images, tool bars, tool tips, toolkit scroll bars, and a mouse-sensitive mode line. FTP from your nearest GNU archive site. E-mail: (bug reports only) . Usenet newsgroups: {news:gnu.emacs.help}, {news:gnu.emacs.bug}, {news:alt.religion.emacs}, {news:gnu.emacs.sources}, {news:gnu.emacs.announce}. [Jargon File] (1997-02-04)

Related Sites

GNU Emacs - GNU Project - Free Software Foundation (FSF)
Official Free Software Foundation page for the extensible, customizable, self-documenting real ... Highly customizable, using Emacs Lisp code or a graphical ...

A guided tour of Emacs
To give you an idea, here is a sampling of the things you can do with Emacs: ... All the tools Emacs provides for opening, saving, searching, and processing text ...

Emacs - Wikipedia, the free encyclopedia
For extended metal atom chains (EMACs) in chemistry, see Extended metal ... gnu.org/software/emacs ... The original EMACS was a set of Editor MACroS for the ...

Emacs: Information from Answers.com
Emacs A text editor that is widely used for writing GNU/Linux software. ... The original EMACS was a set of Editor MACroS for the TECO editor written in ...

XEmacs: The next generation of Emacs
Provides history, samples, downloads, guides and more about the highly customizable open source text editor and application development system.

Beginner's Emacs
Emacs is available for many computer systems, including UNIX, VMS, Microsoft ... It is also possible to start it from an xterm or shell window by typing emacs ...

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