Mike Long wrote
> I think a far simpler, and hence better, solution would be to have
> init run a separate /etc/rc.secure script after increasing the
> securelevel.
> 
> While we're at it, we could have init run /etc/rc.shutdown when making
> the transition from multi- to single-user.
> 
> Comments?

I think this would be good.  

It should be simple to add.  Would not destroy the BSD flavour of
NetBSD and would provide some hooks of use to those that would really
like multiple run-levels.

--sjg