MIT provides MULTICS source and documentation (DPS-8 simulation)

On Monday 12 November 2007 17:24, Al Kossow wrote: This sort of thing is exactly the area where I'm fuzziest when it comes to any sort of a real understanding of big iron. Aside from seeing references to such stuff from time to time, I really don't have a clue as to why you'd _want_ something like a separate dedicated processor to handle I/O, for one example. Or mass storage. Or whatever. And I really don't have that much of a handle on how the architecture of those sorts of machines differs from the micros I'm familiar with. Even that bit of time I got to spend with the Heath H11 was very alien to the rest of what I'm familiar with. I realize that I'll never get as familiar with some of this stuff as some of you guys that have actually worked with it, but can any of you point me toward some resources that might let me understand some of it better than I do now? -- Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of life in this section of space, ?a critter that can be killed but can't be tamed. ?--Robert A. Heinlein, "The Puppet Masters" - Information is more dangerous than cannon to a society ruled by lies. --James M Dakin