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The System 7 that runs on A/UX is actually a unix process running on top of the A/UX kernel (which exposes the necessary Macintosh Toolbox features to run the s

The System 7 that runs on A/UX is actually a unix process running on top of the A/UX kernel (which exposes the necessary Macintosh Toolbox features to run the specific version of System 7).

lproven 5y ago
Which is, AIUI, why A/UX could not usefully be ported to PowerPC. Which led to Copland, which didn't work out, and so led to the NeXT acquisition.
- rbanffy 5y ago
  The ROM-based toolbox would not support more than one program running at a time. It was an odd limitation that a Unix could run only a single Mac application at a time. > Which led to Copland, which didn't work out, and so led to the NeXT acquisition. I remember the brief life of MkLinux. It brought a number of PoweMacs we had stacked in corners back to life as Unix workstations on sysadmin and developer desks (in 1998 or so).
  - lproven 5y ago
    I didn't know that. Interesting -- thanks! I never used MkLinux myself, but I am happy to hear it was useful to someone...
    - rbanffy 5y ago
      It was OK. I remember at some point someone must have flipped something in the install image that added a Windows 95 theme to fvwm. Whoever it was, I hate that person.