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[an error occurred while processing this directive] $ParentProcessID

  • $ParentProcessID gives the ID assigned to the process which invokes the Mathematica kernel by the operating system under which it is run.
  • On operating systems where no process ID is assigned, $ParentProcessID is None.
  • See the Mathematica book: Section 2.13.5.
  • See also: $ParentLink, $ProcessID, $CommandLine, $UserName, Environment.