Gnus is a message reader running under GNU Emacs and XEmacs. It supports reading and composing both news and e-mail. In addition, it is able to use a number of web-based sources as inputs for its groups.

Gnus users find it pleasing to have a system which offers consistent interface between Usenet news and e-mail messages, not to mention the use of their favorite editor (X)Emacs for writing messages. Number of features Gnus offers probably outweighs that of any other Mail/News reader.

Some Gnus features:

• simple or advanced mail splitting (automatical sorting of incoming mail to user-defined groups)
• incoming mail can be set to expire instead of just plain deletion
• custom posting styles (eg. From address, .signature etc)
• virtual groups (eg. directory on the computer can be read as a group)
• message scoring
• user-defined hooks for almost any method (in emacs lisp)
• many of the parameters (eg. expiration, posting style) can be spesified individually for all of the groups

Some people say there is no feature (or something similar) in any MUA Gnus doesn't have - or if there isn't one ready, it can be done "easily" with few lines of emacs lisp

To quote the Gnus Manual:

You know that Gnus gives you all the opportunity you'd ever want for shooting yourself in the foot. Some people call it flexibility. Gnus is also customizable to a great extent, which means that the user has a say on how Gnus behaves. Other newsreaders might unconditionally shoot you in your foot, but with Gnus, you have a choice!

History

Gnus is a rewrite of GNUS written by Masanobu Umeda. In 1994 Lars Magne Ingebrigtsen started the rewrite under the name ding which is a recursive acronym for ding is not Gnus.

The following versions have been released since then:

• Gnus 5 ((ding) Gnus) - November 1995
• Gnus 5.2 (September Gnus) - May 1996
• Gnus 5.4 (Red Gnus) - January 25 1997
• Gnus 5.6 (Quassias Gnus) - March 8 1998
• Gnus 5.8 (Pterodactyl Gnus) - December 3 1999
• Gnus 5.10 (Oort Gnus) - May 1 2003

The current development version which will be released as Gnus 5.12 is called No Gnus.

The odd version numbers, like 5.3 and 5.5 are for the Gnus versions bundled with GNU Emacs. The even version numbers are the unbundled releases. So for example, Gnus 5.5 is similar to Gnus 5.4, but bundled with Emacs 20.1.

External links

• http://www.gnus.org/
• http://my.gnus.org/
• http://www.emacswiki.org/cgi-bin/wiki/CategoryGnus

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