[TUHS] Clever code (was Re: Re: Stdin Redirect in Cu History/Alternatives?

[Larry McVoy]

It's been decades since I've used it, my comments are based on the QNX that
predated their POSIX conformance.  It was extremely light weight, fast,
and used as little memory as possible.  I literally had 10 active logins
(tty) with people editing and compiling on a 256KB 80286.  Nothing else
came close.  But it wasn't POSIX so it might be more bloated today.

On Mon, Dec 12, 2022 at 11:10:08PM +0000, segaloco via TUHS wrote:
> Well this has certainly piqued my curiosity on QNX.  One of my more long-term projects is to write a kernel (micro or otherwise), initially for RISC-V that can, if nothing else, serve as a springboard for my own projects.  I've thus far just been using AT&T and BSD UNIX kernels for research and inspiration, with a peek at Darwin every now and then to see how Apple/Mach does things, but could certainly stand to broaden my horizons.  That said, if I was to straight up port something as an exercise, I'd probably go for V7 given its ubiquity and the fact that work done there would likely serve as a good template for doing the same with other AT&T and BSD variants.  Plus, I think someone's already gone and done a V6 port to RISC-V, so I'd have stuff to refer to.
> 
> - Matt G.
> 
> ------- Original Message -------
> On Monday, December 12th, 2022 at 2:20 PM, Liam Proven <lproven at gmail.com> wrote:
> 
> 
> > On Mon, 12 Dec 2022 at 17:04, Larry McVoy lm at mcvoy.com wrote:
> > 
> > > Thanks for that Clem. One question though, all those companies want
> > > support. Is there anyone still providing support? I see QNX.com is
> > > a thing but is there an actual team of good people working on it?
> > 
> > 
> > QNX is alive and well and owned by Blackberry Ltd, the former Research
> > in Motion. One big Canadian tech co bought another.
> > 
> > They aren't doing great but they're not dead by any means.
> > 
> > https://en.wikipedia.org/wiki/BlackBerry_Limited
> > 
> > --
> > Liam Proven ~ Profile: https://about.me/liamproven
> > Email: lproven at cix.co.uk ~ gMail/gTalk/FB: lproven at gmail.com
> > Twitter/LinkedIn: lproven ~ Skype: liamproven
> > UK: (+44) 7939-087884 ~ Czech [+ WhatsApp/Telegram/Signal]: (+420) 702-829-053

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Larry McVoy           Retired to fishing          http://www.mcvoy.com/lm/boat