You do on the wireless motes, because you have several networks and a file
system.
There isn't a "user mode" of course, but there are applications. ours was a
noise
monitoring system to some international noise-monitoring standard.

On 17 July 2012 18:33, Paul Lalonde <paul.a.lalonde@gmail.com> wrote:

> A small driver library, maybe.  But really, 8 bit machines today are
> just for fun little micro-control projects and you really don't want
> an OS in the way.
>