>Just try to get source code to any of the Apple or Microsoft OS parts that were BSD licensed so you can tweak them. The bulk of projects available on opensour

>Just try to get source code to any of the Apple or Microsoft OS parts that were BSD licensed so you can tweak them. The bulk of projects available on opensource.apple.com are not GPL, including not least of all the kernel. Anecdotally I have personally used the BSD-licensed file_cmds source package to fix some birthtime-related behaviors in cp, mv, and touch that I didn't like.