From mboxrd@z Thu Jan 1 00:00:00 1970 From: steve@quintile.net (Steve Simon) Date: Mon, 18 Dec 2017 16:13:38 +0000 Subject: [TUHS] Early Clones / Rewrites for TUHS archives In-Reply-To: <20171218154638.GP11683@mcvoy.com> References: <20171218101055.GA46385@server.rulingia.com> <20171218154638.GP11683@mcvoy.com> Message-ID: <6F7CF4B5-65B2-412C-89E8-3FB69F09CE6A@quintile.net> Qnx is used in cars quite a bit , also in the telecoms sector i wad told. we used it for control of image processing systems, however it it wad a rather foolish management decision IMHO as qnx is heavyweight for the simple user interfaces we needed -Steve > On 18 Dec 2017, at 15:46, Larry McVoy wrote: > >> On Mon, Dec 18, 2017 at 09:10:55PM +1100, Peter Jeremy wrote: >>> On 2017-Dec-12 09:40:31 -0500, Clem Cole wrote: >>> My question about SOL got me thinking a bit. It would be nice to have >>> section in TUHS of any early clones that could be collected. >> >> One thing I haven't seen mentioned is QNX - I didn't directly use it but a >> colleague was using it in the mid-1980s on PC-AT class hardware. > > I've used it in that timeframe. It was pretty amazing on a 286, you could > have multiple people logged in via terminals and get work done. > > I became friends with one of the people who did the OS: > > Dan Hildebrandt (QNX) 613-591-0931 x204 (RIP 1998) > > I can't remember how we crossed paths, but we both cared about design > a lot and liked bouncing ideas off of each other. > > QNX was an actual microkernel, the kernel part neatly fit in a 4K > instruction cache. I remember Dan telling me that it worked because > only a few people were allowed to touch the actual kernel, they wanted > to keep it small and fast. > > This was all pre-posix, it was Unix-like but porting stuff was much > harder than going from SunOS to IRIX. > > I think that it lives on in cars, someone told me that QNX is the basis > for a lot of the car stuff. Anyone know?