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  • ParentDirectory[ ] gives the parent of the current working directory.
  • ParentDirectory[" dir "] gives the parent of the directory dir.
  • ParentDirectory returns the full name of the directory as a string.
  • ParentDirectory works only under operating systems which support hierarchical file systems.
  • See the Mathematica book: Section 2.11.4.
  • See also: Directory, $HomeDirectory, DirectoryName.