Path: utzoo!attcan!uunet!lll-winken!lll-tis!ames!killer!tness7!tness1!sugar!peter From: peter@sugar.UUCP (Peter da Silva) Newsgroups: comp.sys.amiga Subject: Re: Amiga UNIX Message-ID: <2170@sugar.UUCP> Date: 24 Jun 88 13:08:58 GMT References: <23602@hi.unm.edu> <354@faui44.informatik.uni-erlangen.de> Organization: Sugar Land UNIX - Houston, TX Lines: 22 In article ... dkhusema@faui44.informatik.uni-erlangen.de (Dirk Husemann) writes: > (1) MINIX _does_ run on an ATARI ST, a true 68000, thus it is > obviously possible to do a fork() on a 68000 ... MINIX on the ST actually copies forked data during a context switch, giving you extremely slow performance until you give up and exec() or exit() one of the programs. This is also, by the way, how the old LSI-11 no-MMU UNIX handled it, though that one did it by swapping the forked data on and off a floppy. AT least MINIX doesn't try to do that. No, the only way to do this is with position-independant code and base registers for data. You'd be better off with an 80286, at this point... since you've just picked up most of the '286 problems without any of the advantages. > (3) True, a 68020 w/ MMU would sure help, but have you seen a > amiga w/ 68020 and MMU recently? No, but I've seen one with a 68020 and an MMU socket. -- -- `-_-' Peter (have you hugged your wolf today?) da Silva. -- U Mail to ...!uunet!sugar!peter, flames to /dev/null. -- "A foolish consistancy is the hobgoblin of little minds".