I want to inform that A/UX is available for Mac OS X;
https://www.youtube.com/watch?v=4JtO9Un3COU 11:49 - 13:45
I think that some people have waited 25 years to run A/UX on modern computers.
What do you think about A/UX? I hope that someone will port Shoebill to Linux, because this is the open source project.