>> Currently uClinux is the only opensource Unix-OS for the embedded
>> space [...]

 > You seem to have missed eCOS and RTEMS in there, both of which are
 > free for commercial use and offer friendly licensing terms.

>> Keep in mind we are talking about systems where the entire kernel
>> and userland fits in less than 2MB of flash memory, and have only
>> 2-4 MB of RAM to run everything.

Minix-2.0.3 (now BSD-esque-licenced) fits the conditions was well.

-- 
Chris,,