[TUHS] Current Status of AT&T/USL Licensing?

[sjenkin at canb.auug.org.au]

For completeness, 
SUN & AT&T merged their lines, at least Userland, with SVR4, 
with, I believe, SUN paying a perpetual fee for its license. 
[ refs only for the merge, not license deal ]

TUHS, Larry McVoy
	<https://www.tuhs.org/pipermail/tuhs/2017-January/009495.html>

Excerpt from Solaris 8 System Admin Manual, 2000
Bill Calkins, ‘History of Solaris'
	<https://cse.unl.edu/~witty/class/csce351/howto/history_of_solaris.pdf>


Calkins makes the point the merge was to resolve the “Unix Wars”, to have one product going up against Windows NT.

	"UNIX is plural. It is not one operating system but, many implementations of an idea that originated in 1965."

> On 10 Apr 2025, at 03:10, Lyndon Nerenberg (VE7TFX/VE6BBM) <lyndon at orthanc.ca> wrote:
> 
> At some point Sun bought out their license from AT&T.  My guess is
> it was pre-Solaris 9, as that buyout was what let them start offering
> up Solaris 9 source code on an experimental basis, and then fully
> unleashing it with the Solaris 10 release.
> 
> As Warren mentions, others might have done the same, but I
> have no knowledge of any deals other than Sun's.
> 
> --lyndon

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