3 ms·My old college had an ND-570 and an ND-560. I learned ADA on those.by spsrich2 6y agoMy old college had an ND-570 and an ND-560. I learned ADA on those.spsrich2 6y agoThey had their own Unix port, called NDIX!Koshkin 6y ago"Endix" doesn't sound very optimistic...66alan99 6y agoBased upon 4.2BSD (with the networking from 4.3BSD) and was a 40+ floppy disk install, IIRC. Learnt a lot on these plus the Prime superminis we used at uni.