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Article #75413

Re: LZW and shareware wars

#75413
From: william E Davidsen
Date: Thu, 02 Aug 1990 18:20
32 lines
2217 bytes
In article <15279@reed.UUCP>, minar@reed.bitnet (Nelson
Minar,L08,x640,7776519) writes:

|> Yes. Phil Katz wrote a much better program, called PKZIP. Its more efficient
|> on compression, is probably a little slower, but much nicer to use. End of
|> war. People who still use the ARC format are in the dark ages.  Its
shareware,
|> but the ZIP format is public domain.

  They are both shareware, ARC gives out the source so you can use it on
non-PC systems. The PK versions were quite a bit faster, actually, but a
lot harder to use, since they have a separate program for compress and
uncompress. ARC (and zoo, dwc, and lharc) put it all in one program with
one user interface.
|> 
|> For what it's worth, I thought that the basis of the suit was that Henderson
|> owned the filename extension '.ARC'.  Maybe we should write free code for
|> everyone but lawyers? :)

  SEAware claimed that PK used some of their code in his competing
product. They had an independent consultant look at both sources, and
testify on the matter. Right after that PJ settled out of court and
promised not to compete (with any program processing ARC files) again.

  The testimony was sealed, but I doubt that the expert said the sources
were completely different.
--
Bill Davidsen (davidsen@crdos1.crd.ge.com, uunet!crdgw1!crdos1!davidsen)
  GE Corp R&D Center, Schenectady NY
  Moderator of comp.binaries.ibm.pc and 386users mailing list
"Stupidity, like virtue, is it's own reward" -me
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Path: arc1-ca.pugleaf.net!gmdzi!unido!mcsun!uunet!crdgw1!antarctica!davidsen
References: <1990Jul31.220935.1424@riacs.edu> <JIM.90Aug1125737@baroque.Stanford.EDU> <15279@reed.UUCP>

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Path: arc1-ca.pugleaf.net!gmdzi!unido!mcsun!uunet!crdgw1!antarctica!davidsen
From: davidsen@antarctica.crd.GE.COM (william E Davidsen)
Newsgroups: gnu.misc.discuss
Subject: Re: LZW and shareware wars
Message-ID: <10691@crdgw1.crd.ge.com>
Date: 2 Aug 90 18:20:58 GMT
References: <1990Jul31.220935.1424@riacs.edu> <JIM.90Aug1125737@baroque.Stanford.EDU> <15279@reed.UUCP>
Sender: news@crdgw1.crd.ge.com
Reply-To: davidsen@crdos1.crd.ge.com (bill davidsen)
Organization: GE Corporate R&D Center, Schenectady NY
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Posted: Thu Aug  2 19:20:58 1990