On Saturday, November 5, 2011 at 14:02, Gregg Levine wrote: > Now how old is this particular system?
The several versions of DOS were available from about 1969-1976 or so. It coexisted for a time with RTE (the Real-Time Executive) and TSB (Time-Shared BASIC) but eventually was dropped in favor of RTE. The CHM has a DOS brochure here: http://archive.computerhistory.org/resources/text/HP/HP.2120DOS.1971.1026462 05.pdf -- Dave _______________________________________________ Simh mailing list Simh@trailing-edge.com http://mailman.trailing-edge.com/mailman/listinfo/simh
