only 1 use
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- Barbara Wallraff points out that the Microsoft engineers who designed the Windows computer-operating system spoke English, and used English in what they created, but the words that users see on the screen are available in twenty-eight languages—and the spell-checker offers a choice of four varieties of English.eight — Teaching Computers to Speak American (55% in)
There are no more uses of "operating system" in Do You Speak American?.
Typical Usage (best examples)