Well. Yes but not exclusively (I am working with QNX since many years), what I meant are the drivers or how resource managers do their job and for which hardwar

Well. Yes but not exclusively (I am working with QNX since many years), what I meant are the drivers or how resource managers do their job and for which hardware. Ah, I understand what you said reading it again. You are right, that is "beneath the kernel" not "below".