Christos Zoulas scripsit:

> Should that be enabled with an option? What do other OS's do?

I think it would be a nice idea. I'm unsure whether it does any good on 
modern hard disks that, as indicated elsewhere, are supposed to rely on 
the inertial force to park the heads correctly when switched off. But it 
can't do no harm whatsoever! It is maybe cleaner.

Vincent