SetAttributes[s, attr] adds attr to the list of attributes of the symbol s.
Signature[list] gives the signature of the permutation needed to place the elements of list in canonical order.
SyntaxInformation[f] gives information used to generate syntax coloring and other advisories when f[...] is entered as input.
VertexCoordinates is an option to Graph and related functions that specifies the coordinates to use to place the center of vertices.
VertexCoverQ[g, vlist] yields True if the vertex list vlist is a vertex cover of the graph g, and False otherwise.
WatershedComponents[image] computes the watershed transform of image, returning the result as a matrix in which positive integers label the catchment ...
WindowToolbars is a notebook option that specifies the toolbars to include at the top of the window used to display the notebook on the screen.
$CommandLine is a list of strings giving the elements of the original operating system command line with which Mathematica was invoked.
$Display gives a list of files and pipes to be used with the default $DisplayFunction.
$LicenseExpirationDate is a date list that gives the expiration date for the license under which Mathematica is being run.