All the functionality in Calculus`VectorAnalysis` is now available through the newly created Vector Analysis Package.
SystemInformation gives detailed information about your Mathematica system. "Packages & Files" under the Kernel tab gives information about the packages currently loaded into ...
CopyFile["file_1", "file_2"] copies file_1 to file_2.
DeleteFile["file"] deletes a file. DeleteFile[{"file_1", "file_2", ...}] deletes a list of files.
PrintingStyleEnvironment is an option for notebooks which specifies the style environment to be used in printing the notebook on paper.
RenameFile["file_1", "file_2"] renames file_1 to file_2.
TooltipDelay is an option for objects such as Tooltip that specifies how long to delay after the mouse is over the object before displaying the tooltip.
WindowElements is a notebook option that specifies the elements to include in the window used to display the notebook on the screen.
Extrapolation methods are a class of arbitrary-order methods with automatic order and step-size control. The error estimate comes from computing a solution over an interval ...
PrivateFontOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option for selections that specifies settings for various font suboptions.