A BBS door was a mechanism to execute and communicate with an external program, commonly a game on bulletin board systems (commonly referred to as door games). A computer program is a collection of instructions that describe a task, or set of tasks, to be carried out by a computer. ... A computer game is a game composed of a computer-controlled virtual universe that players interact with in order to achieve a defined goal or set of goals. ... Ward Christensen and the computer that ran the first public Bulletin Board System, CBBS from BBS: The Documentary “BBS” redirects here. ...

The BBS software would start the external program, and the door system would pass data back and forth between the door program, the BBS, and the remote user. To supply the door program with the user's information (such as the user's alias and the amount of time they had spent online), the BBS software would create a dropfile containing information for the program to read. A few door programs including Front Line operated the opposite way, as Front Doors, answering the modem and then giving control to the BBS software. This method was particularly commonplace for hubs of networks. There are very few or no other articles that link to this one. ...

FOSSIL was a popular communications hardware/software interface standard used by MS-DOS compatible BBS software and door programs which has helped these legacy programs remain compatible with modern communications technologies such as Telnet and Rlogin. Three small ammonite fossils, each approximately 1. ... For the packet switched network, see Telenet. ... In computing, rlogin is a Unix software utility that allows users to log in on another host via a network, communicating via TCP port 513. ...

While many of the most popular and memorable BBS doors were games, numerous doors had non-entertainment applications such as user polls or the time bank, permitting users to time-shift their rationed BBS use. Frequently they would act as a front-end to themed databases on subject such as astrology, numerology and fortune-telling, recipes, weather prediction, personal ads (sometimes with additional match-making functionality), classified ads and "for sale" listings (sometimes permitting auctions), BBS lists and parting comments from the most recent BBS callers. In economics, a time-based currency is a currency where the unit of exchange is the hour. ...

Prodoor provided a different message editor for use with the BBS messagebase. Many doors including Markmail and Qmail provided QWK functionality for convenient use with offline readers. Sysops who were away from the BBS computer sometimes called in and used DOORWAY by Marshall Dudley, which could run many DOS programs by modem, including file managers, DOS prompt, and the specialized editing programs that administered the BBS. QWK is file-based offline mail reader format that was popular among Bulletin board system users, especially users of FidoNet and other networks that generated large volumes of mail. ... It has been suggested that this article or section be merged into on-line and off-line. ... SysOp (pronounced /ˈsɪs. ... A file manager is a computer program that provides a user interface to work with file systems. ... COMMAND.COM is the name for the default operating system shell (or command line interpreter) for DOS and 16/32bits versions of Windows (95/98/98 SE/Me). ...

Popular door games included:

• Arrowbridge I and II
• BarneySplat
• Barren Realms Elite (BRE)
• BBS Crash
• Cripple Smash
• Dominions
• The Dragon's Hoard
• DrugWars
• Esterian Conquest
• Exitilus
• Falcon's Eye
• Food Fight
• Geopolitics
• Global Wars
• Illusions
• Indy Speedway (Animated Auto Racing)
• Kannons and Katapults
• King of the Hill Trivia
• Land of Devastation (LOD)
• Leech
• Legend of the Red Dragon I and II (LORD)
• Mutants
• Operation Overkill
• PimpWars
• The Pit
• Planets: The Exploration of Space
• Saratoga Raceway (Animated Horse Racing)
• Solar Realms Elite (SRE)
• Space Dynasty
• Super Solitaire
• Top Rank Boxing (Animated Boxing Championships)
• TradeWars 2002 (tradewars game server is still used by non bbs users to play online)
• UltraSoft Animated Backgammon (UABG)
• Usurper
• VGA Planets (technically a Play-by-mail game)
• Voyeur
• Yankee Trader

This page is a candidate for speedy deletion, because: Its not very insightful If you disagree with its speedy deletion, please explain why on its talk page or at Wikipedia:Speedy deletions. ... Barren Realms Elite or BRE is a multi-player bulletin board system strategy game. ... Cripple Smash was a BBS door released some time around 1992. ... This is a page about Dominions of the British Empire/Commonwealth. ... Falcons Eye or FE is a multi-player bulletin board system strategy game. ... Food Fight was a multiplayer BBS door game popular in the early 1990s. ... This article does not cite its references or sources. ... This article is in need of improvement. ... The L.O.R.D. inn menu Legend of the Red Dragon (LORD) is a text-based role-playing game written in Pascal and run on Bulletin board systems as a third party door game. ... Joyous (talk) 23:07, July 17, 2005 (UTC) Categories: Possible copyright violations ... PimpWars is a DOS-based video game created in 1990 by Paul J. Martino. ... A Bulletin Board System (BBS) game using ASCII symbol graphics and text database information. ... Planets: The Exploration of Space is a text-based BBS door game originally created by Seth Robinson of Robinson Technologies. ... Solar Realms Elite or SRE is a multi-player bulletin board system strategy game similar in design to its successor, Barren Realms Elite (BRE). ... Space Dynasty is a multi-player bulletin board system strategy game similar in design to Solar Realms Elite. ... TW2002 title screen. ... Usurper is a BBS door game created by Jakob Dangarden in 1993. ... VGA-Planets is a strategy, turn-based, multiplayer computer game for the PC, produced as shareware by Tim Wissemann. ... Play-by-mail games are games, of any type, played through postal mail or e-mail. ... This article does not cite its references or sources. ...

External links

• BBS doors at the Open Directory Project (suggest site)
• Cheepware BBS Doors/Sysop Utilities
• UltraSoft BBS Door Games & Sysop Utilities to download
• BBSFiles.com - BBS Files, Door Games, Utilities & Forums available
• Mirror Site for UltraSoft Door Games, Utilities and Descriptions