Recently I have seen some pictures from A/UX ... a UNIX OS running on - at least - 68030 Macintosh's, according to this >>A/UX Compatibility List<< from Apple itself.

Some screenshots:

and

also

and


So Apple had much earlier a working Unix *with* graphical user interface !

And the best - you can still download it, if you know for what filename you have to search.
Just search for AUX_3.0.1_Install_Boot_Disk.diskcopy_image.bin ...

P.S.: Or visit *this* ftp-site or *this* http-site.

Some for A/UX compiled programs can be found also here: http://www.nleymann.de/appleAUX/

Hints/Help for A/UX installation and multi-boot can be found here: http://www.floodgap.com/retrotech/os/aux/

Added later: http://www.aux-penelope.com/ has also some very interesting article entries about all three A/UX versions. Recommended !