Subject: Re: BSD Licenses
To: John E. Clark <>
From: Chris G. Demetriou <cgd@postgres.Berkeley.EDU>
List: macbsd-general
Date: 03/28/1994 17:37:29
>Anyway, given the copyright notice in BSD, and given the history of UC Regents
>what is to prevent the UC from yanking the copyright granted in the
>existing distributions, in favor of some economic player in the software

you cannot change the license on an existing piece of software, only
on new copies of it.

that is, if the UC license on UCSD pascal said "you can redistribute
this according to the terms specified by some random agreement",
and the agreement could be legally changed, then the terms could

but the terms on the net/2 (and soon, 4.4BSD) source files
are not like that -- they specifically state all of the terms.
The University could change the terms, when distributing new copies,
but can't change the ones already "out there."