drum: adj, n. Ancient techspeak term referring to slow,
cylindrical magnetic media that were once state-of-the-art storage
devices. Under BSD Unix the disk partition used for swapping is
still called `/dev/drum'; this has led to considerable humor and not
a few straight-faced but utterly bogus `explanations' getting
foisted on newbies. See also "The Story of Mel" in Appendix A.