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Foobar

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Not to be confused with FUBAR.

"Foo" redirects here. For other uses, see Foo (disambiguation).

The terms foobar (/?fuːb?r/), fubar, or foo, bar, baz and qux (alternatively, quux) are sometimes used as placeholder names (also referred to as metasyntactic variables) in computer programming or computer-related documentation.[1] They have been used to name entities such as variables, functions, and commands whose purpose is unimportant and serve only to demonstrate a concept. The words themselves have no meaning in this usage. Foobar is sometimes used alone; foo, bar, and baz are sometimes used, when multiple entities are needed.