Unfortunately, you are incorrect. DMR did receive a US Patent (Patent
#4135240) on the SUID bit. There is at least on text on Unix security that
contains a copy of the patent in an appendix.
(see, among other sources, Peter Salus'
http://www.nluug.nl/events/sane98/aftermath/salus.html)
You can view the actual patent in the IBM patent database, by the way:
http://www.patents.ibm.com/details?&pn=US04135240__
Speaking of Salus, I believe it was Peter who coined "the difference between
theory and practice is always larger in practice."
Marty
-----Original Message-----
From: Alexander Viro [mailto:viro@math.psu.edu]
Sent: Tuesday, August 29, 2000 12:22 AM
To: Albert D. Cahalan
Cc: Alan Cox; yodaiken@fsmlabs.com; Horst von Brand; Mitchell Blank Jr;
Mark Kettenis; linux-kernel@vger.kernel.org; torvalds@transmeta.com
Subject: Re: SCO: "thread creation is about a thousand times faster than
on
On Tue, 29 Aug 2000, Albert D. Cahalan wrote:
> > Erm?
> > * setuid is a fscking wart - THE mistake of dmr and/or ken.
>
> If not urban legend, dmr was the patent owner.
Erm... That would be a nice way to bury one's mistake - patent it and
refuse to license ;-) Unfortunately, didn't happen...
[...]
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