Please take CLUE-101
First you morph "UNIX-based" into "UNIX-like" without so much as a single sentence of justification.
Then you say that OSX ain't UNIX because gcc isn't pre-installed for you. Aw, poor baby. If running an installer on a bundled CD is too hard for you, I'd say your knowledge of UNIX is limited to what you've read about it.
You say that because MacOS X uses Netinfo, it ain't UNIX. Um, if your technical skillz matched your writing fervor, you'd be able to use text files for many if not all Netinfo databases. Lord help you if someone accidentally loaded mysql on your system. (N.B.: it ain't stored in ASCII.)
So lay off the Linux fanaticism. You can do anything with MacOS X that you can do with Linux. Maybe a little more work to get it installed, but a real UNIX hacker has no problem with that.
On the other hand, MacOS X has a user interface that makes your beloved X interfaces look like what they are: GUI's designed by programmers with Art 101 and Gimp.