|dongle-disk - /don'gl disk/ (Or "key disk") A kind of dongle consisting of
a special floppy disk that is required in order to perform
some task. Some contain special coding that allows an
application to identify it uniquely, others *are* special code
that does something that normally-resident programs don't or
For example, AT&T's "Unix PC" would only come up in root mode with a special boot disk.