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based on an earlier version of the Wolfram Language.
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[an error occurred while processing this directive] $ParentLink

  • $ParentLink is the MathLink LinkObject currently used for input and output by the Mathematica kernel in a particular session.
  • When the Mathematica kernel is started by a Mathematica front end, $ParentLink gives the MathLink connection between the front end and the kernel.
  • You can reset $ParentLink in the middle of a Mathematica session to connect the kernel to a different front end.
  • See the Mathematica book: Section 2.12.8.
  • See also: $CurrentLink, Links, $Input.