>And how exactly does having a microkernel fix the problem of having a stable driver API? Drivers must be written to some framework. at this stage i will refer

>And how exactly does having a microkernel fix the problem of having a stable driver API? Drivers must be written to some framework. at this stage i will refer you to, ironically, Andy's book: http://www.amazon.com/Modern-Operating-Systems-3rd-Edition/dp/0136006639/ref=sr_1_2?ie=UTF8&qid=1332518844&sr=8-2 http://www.amazon.com/Modern-Operating-Systems-3rd-Edition/d...