[TUHS] Early Clones / Rewrites for TUHS archives

Larry McVoy lm at mcvoy.com
Tue Dec 19 01:59:48 AEST 2017


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.



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