
1) Bulletin board system
Found on
https://www.crosswordclues.com/clue/falken

Originally created by Herb Rose, Falken BBS was one of the few BBS products which allowed up to 128 users to dial in to a single system (running DOS) using multiport hardware, requiring no external multitasker. The product was far advanced from the large number of other BBS systems available at the time allowing users to interact in online telecon...
Found on
http://en.wikipedia.org/wiki/Falken
No exact match found.