From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <200110010946.KAA21139@cthulhu.dircon.co.uk> Subject: Re: [9fans] on the topic of viruses In-Reply-To: <20010930131143.930C1199E7@mail.cse.psu.edu> from rob pike at "Sep 30, 2001 09:11:41 am" To: 9fans@cse.psu.edu From: Digby Tarvin MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Date: Mon, 1 Oct 2001 10:46:23 +0100 Topicbox-Message-UUID: f7520d68-eac9-11e9-9e20-41e7f4b1d025 Yep - that was it. A brilliant explanation too. Thanks to all that pointed it out to me. It seems more recent than I had guessed - or could the 1984 article have been written some time after Ken's experiment?? Regards, DigbyT rob pike: > This was described in Ken Thompson's Turing Award lecture: > > http://www.acm.org/classics/sep95 > > -rob -- Digby R. S. Tarvin digbyt@acm.org http://www.cthulhu.dircon.co.uk