Ancient techspeak term referring to slow, cylindrical magnetic media that were once state-of-the-art storage devices. Under some versions of 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 {newbie}s. See also " The Story of Mel'" in Appendix A.
[glossary]