It's been a while since I have kept up with the kernel space but I remember when I last was interested in it, that there was a trend toward hybridization. That

It's been a while since I have kept up with the kernel space but I remember when I last was interested in it, that there was a trend toward hybridization. That Linux was adopting some micro like architectures as well as windows. OSX probably could be considered a hybrid from the start.