The Ultimate OS (was Re: 1.3.62 and fat/msdos/vfat observations)
Alon Ziv (email@example.com)
Wed, 14 Feb 1996 23:24:33 +0200 (IST)
Look at the GNU HURD (or any other microkernel-based gizmo).
It's basically what you proposed...
(i.e., small optimized kernel with everything else as user processes.)