This is documentation for Mathematica 3, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)
[an error occurred while processing this directive] $Notebooks

  • $Notebooks is True if Mathematica is being used with a notebook-based front end.
  • $Notebooks is automatically set by the front end when it starts the Mathematica kernel.
  • See the Mathematica book: Section 2.13.5.
  • See also: $FrontEnd, $Linked, $BatchInput.