From mboxrd@z Thu Jan 1 00:00:00 1970 From: dot at dotat.at (Tony Finch) Date: Wed, 29 Jan 2020 14:50:59 +0000 Subject: [COFF] The MOO problem and set-uid In-Reply-To: <84453220-427A-45B0-9861-DC63AFFDEF9A@bitblocks.com> References: <84453220-427A-45B0-9861-DC63AFFDEF9A@bitblocks.com> Message-ID: Bakul Shah wrote: > > The paper referenced above is behind a paywall (you can see the first > page *free of charge*!) > https://onlinelibrary.wiley.com/doi/abs/10.1002/spe.4380010210 That article mentions Frank King and Barry Landy who are still around in Cambridge. > One place the problem is described in some detail: > https://www.cs.unm.edu/~cris/481/gordon-moo.txt A correction: Titan was not a Unix system :-) It was a variant of the Ferranti Atlas, with its own timesharing operating system. But it has some second-hand Unix connections: it was the first system to have hashed passwords, which Unix later adopted. Stephen Bourne used Titan when developing Algol 68C. Tony. -- f.anthony.n.finch http://dotat.at/ Forties, Cromarty: West backing southwest later, 5 to 7. Moderate or rough. Occasional rain. Good, occasionally moderate.