Re: Where have all my recent posts gone?

On Sat, 04 Nov 2006 16:35:52 +0100, Jochem Huhmann wrote:

sal <pragmatist@xxxxxxxxxx> writes:

(What's that? You see more than 2 major players? Let's try to list
them.

(1) There's Windows.

(2) There's Unix. Unix has been "branded" as Aix, Linux, MacOS X,
Solaris, Irix ... and maybe I left one or two out. Porting software
between any two of the Unix clones is straightforward; they're all the
same system under the hood, even allowing for the Berkeley/CMU/ATT/Linux
divide.

MacOS X isn't Unix. Really.

Yes it is. Really. It's BSD Mach Unix, with the Next window manager on
the front end.

You have confused X windows with Unix. They are different entities.


Any OS X application using a GUI is
fundamentally different from all Linux or Windows versions.

Again, you are confusing the window system with the operating system.
They're totally different entities. You can run X on a Mac, no sweat, as
a matter of fact.

X is a weird and messy environment and porting a GUI to or from X is
annoyingly difficult. But X is _NOT_ Unix -- Unix is the operating
system, X is the window system, and they are separate. Unix existed long
before X windows was ever conceived of, and you can still run Unix very
effectively without X on top (witness, e.g., MacOS X).

The weirdnesses and differences between the native window system on MacOS
X and the X windows system make ports to X more difficult than they would
otherwise be.


Porting to or
from it is *not* straightforward. Name *one* commercial application ported
from OS X to any Unix.

You're going the wrong way, guy. The bulk of aps in need of porting are
on the Unix/Windows side, so that's they way the porting goes, too.

TotalView is a Unix program, and it now runs on Macs. It's a debugger.
Parts of TV are right down on the iron. Believe me, under the covers,
it's Unix. Porting to Irix's weird version of Unix was harder than
porting to the Mac.




Jochem

--
Nospam becomes physicsinsights to fix the email

.

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