kemp@noscvax.UUCP (Stephen P. Kemp) (12/05/84)
This is a summary of my query: Does anybody know of a UNIX implementation for the 512k Macintosh? Steve Kemp {ihnp4, decvax, akgua, dcdwest, ucbvax}!sdcsvax!noscvax!kemp Computer Sciences Corp. kemp@nosc.ARPA Naval Ocean Systems Center San Diego, CA -------------------------------------------------- >From sdcsvax!sdcrdcf!hplabs!oliveb!ios!daves Wed Nov 28 21:17:58 1984 > >I don't know of any Unix for 512K Mac, but would be very interested >in anything you find out! > >A friend of mine, who supported the Apple Mac group, told me >that the interrupt structure on the Mac is such that it >can't support true multi-tasking. If so, it would be >very difficult to support unix. However, my friend is not >a technical person, and left Apple a year ago, so maybe >it actually is possible. > >Dave Schnepper >ios!daves ********************************* >From sdcsvax!ihnp4!rlgvax!guy Thu Nov 29 00:25:55 1984 > >Not bloody likely, given 1) the 512K Mac hasn't been out for long, 2) the >Mac doesn't have memory management (which makes straight UNIX difficult; >it'd either have to run like Mini-Unix and swap only one process into memory >at a time, or work with a compiler that generated code that referenced all >global variables either relative to the PC or to some other register), nor >does it have a hard disk as a standard feature, and 3) it'd be a real waste >of a Mac, in my opinion, unless somebody made it possible to use all the >user interface goodies in the Toolbox in programs (if I had a Mac I'd refuse >to use programs with a conventional OS type user interface). > > Guy Harris > {seismo,ihnp4,allegra}!rlgvax!guy ********************************* >From sdcsvax!akgua!ihuxq!agk Thu Nov 29 20:31:41 1984 > >> Does anybody know of a UNIX implementation for the 512k Macintosh? >No. But the problem is not solved by 512Kby of main memory; the real >problem is the lack of decent sized disks. The kernel with a suite of >commands can consume 3-4 megabytes without trying. And the user usually >wants to keep a few things out there too. I wouldn't look at a disk >smaller than 10 Mby, even for personal uses. > > -andy kegel