Require                 A Require Package Function with a GUI (for
                        Windows only)
TempEnv                 Get (and create it if needed) a temporary
                        environment
assignTemp              Assign a temporary variable in the TempEnv
                        environment
compareRVersion         Compare current R version with a specified one
existsTemp              Determine if a variable exists in TempEnv
findhtmlhelp            Find the HTML help file associated with a topic
getEnvironment          Get an environment, knowing its position
getTemp                 Get a temporary variable from the TempEnv
                        environment
guiCmd                  Send a command to the GUI client
guiSource               Source R code, capture its output and convert
                        it in a different format
help.search.web         Search web documents about R and R functions
isRgui                  Is Rgui.exe (under Windows) running?
isSDI                   Is Rgui started in SDI mode under Windows?
isWin                   Is it a Windows platform?
listCustoms             List all custom types for a method
listMethods             List all methods associated with a generic
                        function
progress                Display progression of a long calculation on
                        the console
rmTemp                  Remove one or several temporary variable(s)
                        from the TempEnv environment
tempdirWin              Get the Windows temporary directory (only under
                        Windows)
tempvar                 Get an arbitrary name for a temporary variable
userdir                 Get the user directory
