From the same Jargon file: https://jargon-i18n.com/en/F/foobar.html#foobar https://jargon-i18n.com/en/F/foobar.html#foobar “It has been plausibly suggested tha

From the same Jargon file: https://jargon-i18n.com/en/F/foobar.html#foobar https://jargon-i18n.com/en/F/foobar.html#foobar “It has been plausibly suggested that “foobar” spread among early computer engineers partly because of FUBAR and partly because “foo bar” parses in electronics techspeak as an inverted foo signal; […]”