Realtime Disk Operating System definition operating system
A Data General operating system
developed in the 1970s or 1980s. When used in conjuction with a BASIC
(e.g. Business Basic) it could support 16 concurrent users at the record locking level and two printers all on 128K memory.
wanted to license this for the first IBM PC
but DG turned them down so they went to Microsoft
instead. How different the world could have been.
[Before or after IBM wanted CP/M