Corvus Interview in Infoworld Jun 28 1982 as located in Google Books

In 1980 Corvus Systems "hacked" the Apple DOS software and released a file server for the Apple II, via 5mb and 10mb hard drives. Later in 1982 a 20mb drive was made available. It became very popular in primary and secondary education. Via this single drive and backup a full classroom of Apple II computers could be networked together.

 

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