getLastIndex            Functions to manipulate shared memory
is.altrep               Whether an object is an ALTREP object
is.shared               Test whether an object is shared
listSharedObjects       List all shared Objects
pkgconfig               Find path of the shared memory header file
share                   Create a shared object
SharedObject            Create an empty shared object
sharedObjectPkgOptions
                        Get or set the global options for the
                        SharedObject package
sharedObjectProperties
                        Get/Set the properties of a shared object.
unshare                 Unshare a shared object
