Linked by Eugenia Loli-Queru on Fri 13th Sep 2002 20:26 UTC, submitted by Gareth
Amiga & AROS AROS, the AmigaOS clone which is being developed by Amiga enthousiasts, and who many regard it as the real future of the AmigaOS, now includes a simple WorkBench clone. Screenshots are available.
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Memory Protection
by Mike Bouma on Sat 14th Sep 2002 09:24 UTC

> The result is that it is fast, responsive and easy to
> use, but not secure or stable. Programs have to be less
> buggy than on other platforms because a crash will often
> bring down the whole OS.

Memory Protection did not make much sense for AmigaOS in 1985. First of all the initial CPU had no MMU.

Later when MP started to make inroads onto desktop platforms, AmigaOS still remained more stable. OSes like Windows were very unstable at the time, many blue screens of death and system lock-ups. Alternatively for proteted development for AmigaOS tools like Enforcer were used: http://www.sinz.org/Michael.Sinz/Enforcer/index.html

And although the classic OS did not use MP at an OS level an application like WHDload does use memory protection for running old Amiga games and demos:
http://www.whdload.de/