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condom n.
 1. The protective plastic bag that accompanies
   3.5-inch microfloppy diskettes.  Rarely, also used of (paper) disk
   envelopes.  Unlike the write protect tab, the condom (when left on)
   not only impedes the practice of SEX but has also been shown
   to have a high failure rate as drive mechanisms attempt to access
   the disk -- and can even fatally frustrate insertion.  2. The
   protective cladding on a light pipe.  3. `keyboard condom':
   A flexible, transparent plastic cover for a keyboard, designed to
   provide some protection against dust and programming fluid
   without impeding typing.  4. `elephant condom': the plastic
   shipping bags used inside cardboard boxes to protect hardware in
   transit.  5. n. obs. A dummy directory /usr/tmp/sh, created
   to foil the Great Worm by exploiting a portability bug in one
   of its parts.  So named in the title of a comp.risks article by
   Gene Spafford during the Worm crisis, and again in the text of
   "The Internet Worm Program: An Analysis", Purdue Technical
   Report CSD-TR-823.
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