* [`server.listen(options[, callback])`][`server.listen(options)`]

* [`server.listen(path[, backlog][, callback])`][`server.listen(path)`]

for [IPC][] servers

for TCP servers

This function is asynchronous. When the server starts listening, the

* Returns: {net.Server}

If `port` is specified, it behaves the same as

Otherwise, if `path` is specified, it behaves the same as

[`server.listen(path[, backlog][, callback])`][`server.listen(path)`].

If none of them is specified, an error will be thrown.

Start a [IPC][] server listening for connections on the given `path`.