On Thu, 28 Feb 2002, John Chris Wren wrote:
There was also SUBST what would let you play some
games. A friend of mine
had a trick where he could reverse two drives, or some such. It was
undocumented, but it let him boot from C:, mount D: as a network drive, then
swap the two.
There is an UNDOCUMENTED DOS command called TRUENAME that sees through the
aliases!