LinkCreate

LinkCreate["name"]
creates a MathLink link with the specified name for another program to connect to.

LinkCreate[]
creates a MathLink link and picks an unused name for the link.

You can use LinkCreate and LinkConnect to set up peer-to-peer communication between two Mathematica processes.

The option LinkProtocol specifies the underlying data transport protocol to use.

LinkCreate[LinkProtocol->"TCPIP"] picks an unused TCP/IP port on your computer system and creates a MathLink link on it.

LinkCreate internally calls a function analogous to the MLOpenArgv() function in the MathLink library.

Create a link with name "test":

Create a link:

Find an unallocated TCPIP port and create a MathLink link:

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