Tweaking kernel

Article:		What Is Darwin (and How It Powers Mac OS X)
Subject:		Tweaking kernel
Date:		2005-09-29 05:29:05
From:		Mafretete
Response to: Tweaking kernel
Yes, you can replace the Mac OS X kernel and compile one yourself. For example, it was not possible to spoof your MAC address with Mac OS X <= 10.3, but you could modify the Darwin source code to allow this and use the recompiled kernel with Mac OS X.