Yours, Etc.: Origins and Uses of 8 Sign-Offs
c.1300, from Old French esprit "spirit," from Latin spiritus (see spirit (n.)).
operating system An operating system from Berkeley supporting multiprocessing and distributed files. [Details? References?] (1994-10-17)
graphics, file format A small bitmap image, often used in animated games but also sometimes used as a synonym for icon. (1997-06-29)