From mboxrd@z Thu Jan 1 00:00:00 1970 From: dfawcus+lists-tuhs@employees.org (Derek Fawcus) Date: Sun, 11 Feb 2018 20:22:14 +0000 Subject: [TUHS] Why BSD didn't catch on more, and Linux did In-Reply-To: References: Message-ID: <20180211202213.GA34045@accordion.employees.org> On Fri, Feb 09, 2018 at 03:53:22PM +1300, Wesley Parish wrote: > (Which is ironical considering that there have been at least two > genuine multiuser DOS clones on the market that I know of, DR's > Multiuser DOS - not Concurrent DOS: that was a similar but different > product - and PCMOS.) DR's Concurrent DOS 286 was multiuser, but never really made it in the market in that form due to the issues they had with the 286. It eventually became FlexOS, but was not really DOS compatible once it that form. There was a DOS compatible add-on for the 386 varient of FlexOS, which hints at how limited the DOS compatibilty of CDOS 286 would have been. Note that CDOS 286 (aka FlexOS) was a distinct product from Concurrent DOS. The former written in C; the latter in assembler and seemingly derived from Concurrent CP/M. DF