Linked by David Adams on Tue 8th Apr 2008 16:33 UTC
"I am very happy about the direction in which the Mac OS X GUI is going, although sadly many Mac users aren't interested in (or don't know about) the "lower levels" of the Macintosh Operating System. Have you ever wondered why the Terminal greets you with the words "Welcome to Darwin"? Why do BSD and Mac OS share certain bits of code? Why does Wikipedia describe Mac OS X as a graphical operating system? Today we're going to take a look at the underlying open source technology which powers your fancy Leopard OS - the hidden core set of components, named Darwin."
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Member since:
2006-10-12
It's only a partial misconception, in fairness.
Mac OS X's BSD userland is based upon FreeBSD (although it's been modified a reasonable amount since, given that as of Leopard it's UNIX certified). Parts of XNU also contain chunks of FreeBSD code.
It's not just FreeBSD, though, but it's the biggest single source for BSD-family code in Darwin and Mac OS X. That said, the BSDs also borrow from each other, so it's tricky to be precise in some cases.