.removeObject           Internal functions
getCopyOnWrite          Get or set the properties of a shared object
getDataInfo             Get a summary report of the data in the shared
                        memory
getSharedProperties     get a summary report for a shared object
is.altrep               Is an object of a desired type?
setSharedObjectOptions
                        Get or set the global options for the
                        SharedObject package
share                   Create an R object in the shared memory
