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AFAIK the oldest reference to "Hello World!\n" (I think it was capitalized like that) was from "The C programming language" which was released in 1978. When it
by marcodiego 4y ago
AFAIK the oldest reference to "Hello World!\n" (I think it was capitalized like that) was from "The C programming language" which was released in 1978. When it popularized for home computers is harder to determine.