Where is the Io network interface used for?

2

Hello, the lo interface is the loopback interface.

EDIT: Added another resource link. Answered questions in original post. EDIT 2: Added quote style to OP’s question. Rephrased my introduction.

I believe it is present in most, if not all, UNIX-like operating systems.

Please read the resources below.

See below:

Also read:

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