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Discussion on: Tell me some useless (or useful) software trivia

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Stephen Chiang

The hashtag/pound sign, #, is originally known as the octothorpe.

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johnfound

Actually, in my youth, we called it "trace" (and I still use it sometimes) because the TRACE command in Apple II BASIC, outputs the line numbers prefixed with #.

I learned much later that in some places # is used instead of № character.

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James McPherson

WellActually that's the proper name for it, from a typesetting point of view.