"Today, we're going to walk though installing it on
your bootable hard drive. Sure, sure, it defeats the principal of
the whole thing, but you can always just slice up two tiny little
partitions and have DSL as a backup for your other OS, which may or
may not completely self-destruct at any moment. Plus, it's a great
idea when all you've got to work with is an old machine that won't
run anything else!"