i/o & console i/o difference

I am clear about i/o. But what is consle i/o? I googled but i am confused. Is that only for serializatio开发者_运维知识库n or what is the sole purpose?

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Typically console I/O is for displaying output to the user and fetching input from the user. It can also be used (typically in Unix) to pipe data from one process to another.

It's typically not used with serialization.