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This article mainly introduces IO operation in vxworks TTY is what means, the text is very detailed, has a certain reference value, interested friends must read!

Historically, TTY was a teletypewriter. Abbreviations. Now, from a physical point of view, it's a Console; from a usage point of view, it's a Terminal. Through a Serial Device, provide a Shell(Command Line Interpreter) to realize IO(Input Output) operation in text mode. In VxWorks, TTY function is provided through serial port 0 ( /tyCo/0) by default; for IA devices, pcConsole created on VGA is generally used.

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