Re: Faster shutdown and the ubuntu "multiuser" update-rc.d extention
> The alternative would be changing the default for new installs, but leaving
> existing installs as-is.
Yes. That might be an acceptable alternative.
>  Really it probably makes sense to explicitly stop xdm during shutdown
> anyway, since that more cleanly shuts down X.
How does it more cleanly shut down X? That seem to be the logic
behind providing all the stop scripts in runlevel 0 and 6, just to
kill a process. There is nothing magic about sending a signal. :)