From mboxrd@z Thu Jan 1 00:00:00 1970 From: lm@mcvoy.com (Larry McVoy) Date: Mon, 18 Dec 2017 07:59:48 -0800 Subject: [TUHS] Early Clones / Rewrites for TUHS archives In-Reply-To: References: <20171218101055.GA46385@server.rulingia.com> <20171218154638.GP11683@mcvoy.com> Message-ID: <20171218155948.GR11683@mcvoy.com> On Mon, Dec 18, 2017 at 10:57:01AM -0500, Steve Nickolas wrote: > On Mon, 18 Dec 2017, Larry McVoy wrote: > > >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? > > Isn't it the OS of the Blackberry? Yep, that too.