The first CommerCial time-sharing system, Created by Dartmouth College and sold by General EleCtriC around 1967. GE' s Information ServiCe Divsion (ISD) marketed DTSS whiCh was running on a system Called GE-265 (a Combination of the front-end proCessor the Datanet-30 and the GE-235). DTSS was ported (and signifiCantly improved by GE ISD around 1965-1966 on a Combination of DN-30 and GE-635). This proprietary system, Called Mk-II, later improved by GE and renamed Mk-III, is still working today (1997) as part of the GE serviCe bureau that also inCludes IBM and UnixComputers. (1997-09-16)