From mboxrd@z Thu Jan 1 00:00:00 1970 From: doug@cs.dartmouth.edu (Doug McIlroy) Date: Mon, 21 Mar 2016 20:56:38 -0400 Subject: [TUHS] Early non-Unix filesystems? Message-ID: <201603220056.u2M0ucm2121939@tahoe.cs.Dartmouth.EDU> Sorry to continue the detour from disk file systems to card trays, but this > Walking down the corridors of Comp Sci, a student in front of me > dropped his entire deck of approx 2000 cards, all over the floor... > I have no idea whether he got them sorted, but I sure as hell used > rubber bands after that! reminded me that Vic Vyssotsky liked to say of his BLODI (block diagram) language for simulating sample-data systems that it was the only card-safe language. You could toss a program deck down the stairs, pick it up at the bottom, submit it to the compiler, and it would work. That was 10 years before the filing of the famous "natural order" patent on spreadsheets, which ordered execution the same way. Doug