Where does the term "FOO" come from?

[TechBoyJK]

I see the term FOO used a lot in Unix/BSD literature. Where does it come from and is it just an example word that doesnt really mean anything?

Thanks

 

[Buddha Bart]

http://slashdot.org/askslashdot/99/02/12/1433221.shtml

 

[Abzstrak]

from dictionary.com

foo

<jargon> /foo/ A sample name for absolutely anything, especially programs and files (especially scratch files). First on the standard list of metasyntactic variables used in syntax examples. See also bar, baz, qux, quux, corge, grault, garply, waldo, fred, plugh, xyzzy, thud.