-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Mon, Dec 11, 2017 at 08:34:41AM -0800, James H. H. Lampert wrote: > On 12/11/17, 7:04 AM, Joe wrote: > >The rigid platters of IBM cartridges and packs (the things you see in > >computer rooms in films) did have brown oxide coatings. The surface of > >each 12 inch platter side stored a magnificent 2.5MB, or at least the > >version I used did. It was used in a system with an embedded DG Nova, > >and a competitive product of the time used the modern 8 inch floppy > >discs... > > The student timeshare systems my high school used (running the > McGill University MUSIC operating system) while I was a student > there (an IBM 370/135 at the District Office) and shortly after I > graduated (an on-site IBM 4341) used Merlin drives.
Those times, high schools and unis built their own OSes. These day they even outsource "programming" web pages. Way to go :-( (Sorry. Having one of those black days) - -- t -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAlovkUgACgkQBcgs9XrR2kaA4QCfUDo1V8AMPAunH+r8Z0NzvDvq CKwAn3DcJ2VIPLMpueYOoo+MoU3b1x8w =5eDw -----END PGP SIGNATURE-----