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Aucbvax.3191 fa.unix-wizards utzoo!decvax!ucbvax!unix-wizards Thu Sep 17 15:36:21 1981 Re: Perkin Elmer running Unix >From decvax!duke!unc!smb@Berkeley Thu Sep 17 15:32:40 1981 In-real-life: Steven M. Bellovin Location: University of North Carolina at Chapel Hill

I had an opportunity to run some tests on a Perkin-Elmer UNIX system a few months ago, and was rather pleased by it. The Perkin-Elmer UNIX is very much a pure V7 -- the Wollongong Group was very careful not to make any "improvements". Not that UNIX can't be improved -- but that's a totally different problem. The biggest complaint I had about the system was that the stack was allocated at link time and defaulted to 4K . And the symptoms of having too small a stack were confusing at best....

About its I/O bandwidth -- yes, it's excellent, but remember that you need to have several fast controllers to really use it. And there was a curious problem about input characters being lost; I don't know if it was a KL11-like interface or the incredibly bad feel on the terminal keyboards -- I'm quite willing to believe it never really sent the characters I hit.

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