] is an object that represents an active MathLink connection for functions such as LinkRead and LinkWrite.
LinkConnect, LinkCreate, LinkLaunch and Install all return LinkObject objects.
The integer n is a serial number used to distinguish links with the same name.
name is typically the name of an external program, or an internet TCP specification of the form port
See the Mathematica book: Section 2.12.2, Section 2.12.9.
See also: Links, LinkReadyQ, InputStream.
See the Further Examples for LinkLaunch.
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