This is documentation for Mathematica 7, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Mathematica Session Information
Mathematica gives you immediate access to many details of your Mathematica session—in the form of symbolic expressions that can readily be manipulated by the Mathematica language.
Names names of known symbols
?name information about symbol values, functions, etc.
Streams  ▪ Links  ▪ Notebooks  ▪ $Packages  ▪ $ContextPath
    
SystemInformation display system information
NotebookInformation information on open notebooks
    
Directory  ▪ FileNames  ▪ $Path
    
TimeUsed  ▪ SessionTime  ▪ DateString  ▪ AbsoluteTime  ▪ ...
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