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: ''For the Canadian radio station, see CBBS-FM.''

'CBBS' (Computerized Bulletin Board System) was a computer software program created by Ward Christensen to allow him and other computer hobbyists to exchange information between one another.
In January of 1978, Chicago was hit by the Great Blizzard of 1978, which dumped record amounts of snow throughout the midwest. Among those caught in it were Christensen and Randy Suess, who were members of CACHE, the Chicago Area Computer Hobbyists' Exchange. They had met at that computer club in the mid 1970s and become friends.
Christensen had created a file transfer protocol for sending binary computer files through modem connections, which was called, simply, MODEM. Later improvements to the program motivated a name change into the now familiar XMODEM. The success of this project encouraged further experiments. Christensen and Suess became enamored of the idea of creating a computerized answering machine and message center, which would allow members to call in with their then-new modems and leave announcements for upcoming meetings.
However, they needed some quiet time to set aside for such a project, and the blizzard gave them that time. Christensen worked on the software and Suess cobbled together an S-100 computer to put the program on. They had a working version within two weeks, but claimed soon afterwards that it had taken four so that it wouldn't seem like a "rushed" project. Time and tradition have settled that date to be February 16 1978.^[1]
Because the Internet was still small and not available to most computer users, users had to dial CBBS directly using a modem. Also because the CBBS hardware and software supported only a single modem for most of its existence, users had to take turns accessing the system, each hanging up when done to let someone else have access. Despite these limitations, the system was seen as very useful, and ran for many years and inspired the creation of many other bulletin board systems.
The program had many forward thinking ideas, now accepted as in the creation of message bases or "forums".
As Christensen and Suess went their separate ways, the CBBS name lived on, and survives to an extent as a web-based forum on Suess' website, chinet.com. Christensen's version of CBBS, called "Ward's Board", closed in the early 1990s.

Contents

See also

References

See also

★ Bulletin board system

References

1. The Birth of the BBS