Date: Thu, 28 Aug 1997 09:06:45 -0500 (EST) From: John Fieber <jfieber@indiana.edu> To: Narvi <narvi@haldjas.folklore.ee> Cc: chat@FreeBSD.ORG Subject: Re: Scary lawsuit Message-ID: <Pine.BSF.3.96.970828084755.341y-100000@fallout.campusview.indiana.edu> In-Reply-To: <Pine.BSF.3.96.970828122511.25971K-100000@haldjas.folklore.ee>
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On Thu, 28 Aug 1997, Narvi wrote: > Well, the FreeBSD rdist manpage says it originated in 4.3BSD and the date > at the end of the man page reads may 1994. Rcp (I don't know if it > qualifies) is at least of 4.2BSD. Rcp doesn't express anything that would be in vilotation of the patent. The patent (going from the abstract) covers the idea of comparing a list of what a client machine should have with what it does have and updating only the things that differ between the two. Rdist is probably safe datewise since 4.3BSD dates to 1986 (McKusick et. al. 1996, p6) and includes some of the concepts in the patent, but not necessairly all. Sup seems to be a closer match. The earliest document I've found describing it is dated September 7, 1989. -john
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