
1) Discontinued operating system
Found on
https://www.crosswordclues.com/clue/versados

VersaDOS is an operating system dating back to the early 1980s for use on the Motorola 68000 development system called the EXORmacs which featured the VMEbus and an array of option cards. They were typically connected to CDC Phoenix disk drives running 1 to 4 14` platters. The Exormacs was used to emulate a 680xx processor in-circuit, speeding de....
Found on
http://en.wikipedia.org/wiki/Versados
No exact match found.