http://www.unixguide.net/freebsd/faq/16.19.shtml
http://www.userland.com/whatIsStopEnergy
-
which you should also read.
This is why, although process is *useful*, it should not be regarded
as *important* in itself. The aims are *important*.
(That doesn't mean the ends justify the means; it does mean the means
need more justification than just happening to be there and are liable
to change as needed, rather than as can't be absolutely resisted.)
- d.