Where is "Hello World!" an example from?

Question

Possible duplicate:
Where & lsquo; Hello world & rsquo; of?

"Hello world!"is the most commonly used example that I can think of, but I don’t know where it comes from. Was it used by a specific book, or was it simply spread among developers? "Hello world!"Do people write fragments in COBOL or FORTRAN?

Answer 1

Just a quick wikipedia search: http://en.wikipedia.org/wiki/Hello_world_program#History

The first known example of the use of the words "hello" and "peace" together in computer literature occurred earlier, in Kernigan 1972. Textbook Introduction to the language B