Way back in December of 2010 I wrote a tutorial detailing how to get the NeXT OpenStep 4 OS loaded up in VMWare Fusion on the Macintosh. NeXT operating systems are full of nascent incarnations of OS X features, which makes them great fun for Macintosh geeks (myself included) to have a poke around in. Exploring OpenStep yields some interesting gems, but the trail really picks up in Rhapsody. Development of Rhapsody began when NeXT was purchased by Apple in late 1996; the OS itself takes the BSD underpinnings of NeXTSTEP/OpenStep and the desktop experience of the Macintosh, architecturally prototypical of what we now recognise as Mac OS X.
Needless to say, it’s a very interesting OS to explore, and can run pretty smoothly under VMWare. Here’s how: