Timothy Roscoe, ETH ZurichAbstract: A glance at this year's OSDI program shows that Operating Systems are a small niche topic for this conference, not even meriting their own full session. This is unfortunate because good OS design has always been driven by the underlying hardware, and right now that hardware is almost unrecognizable from ten years ago, let alone from the 1960s when Unix was written. This change is receiving considerable attention in the architecture and security communities, fo...