Tue, 05 Oct 1999 Warren Postma wrote:
[...]
> Can RT-Linux run in systems requiring < 1 MB RAM and < 1 MB ROM/Flash?
>
> Not that I have seen.
>
> And is Everything in the world running on x86 or PowerPC?
>
> No. And eCos doesn't even (last I saw) support the x86 family. That
> means (to me at least) that the two markets for eCos and RT-Linux are
> COMPLETELY SEPARATE! :-)
Not completely, and certainly not if you're building your own hardware. At
least, there is some overlap. (Or portability wouldn't be very interesting,
I guess...)
> So then, having another open source operating system that is really
> merely a scheduler and basic kernel
> libraries is an important step, and in fact is of benefit to Linux.
> eCos is also open source. That's good
> for the whole open source community.
A lot better than Closed Source, but I'd have to study the eCos licence more
carefully before regarding it "good for the whole open source community".
Remember the Qt/GTK+ flamewar? Many still avoid KDE/Qt, even after Qt was
QPLed...
> Why this adversarial take on things?
One of the first things that spring to mind is History. Remember what happened
when IBM got Windows application support into OS/2? Even though I doubt that
Cygnus has as evil intentions as a certain other company, it doesn't surprise me
that some people get nervous when a company comes in saying "Hey, we got this
cool API for your OS. It will make it easy to port applications accross
platforms!"
<mode opinion=personal>
Personally, I believe system software should be Free. It's to important to
depend on a single company maintaining it and keeping it available. "It will
be maintained by us, or GPLed" licenses are quite OK as long as they're
waterproof. (QPL is a license of that kind, BTW.) I prefer plain (L)GPL for
most things, of course.
</mode>
//David Olofson
Reologica Instruments AB
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For more information on Real-Time Linux see:
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