4 ms·They also backport a lot of it upstream to FreeBSD. It is not a black and white question.by yxhuvud 13y agoThey also backport a lot of it upstream to FreeBSD. It is not a black and white question.belorn 13y agoIf one go by market share, the code sent back upstream are worth far less than 1% of Os X.yxhuvud 13y agoSo? That doesn't change that Apple usage of FreeBSD codebase is still a net win for the FreeBSD project. It is still a win-win situation even if the win isn't totally symmetrical.