space-cadet keyboard
= S =
SPACEWAR
spaceship operator n.
The glyph <=>, so-called
apparently because in the low-resolution constant-width font used
on many terminals it vaguely resembles a flying saucer. Perl
uses this to denote the signum-of-difference operation.
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.