DART IS A PROGRAM THAT DUMPS DISK FILES ON TAPE AND RESTORES THEM TO THE DISK. DART CAN BE USED BY USERS WHO WISH TO PROVIDE THEIR OWN BACKUP; IT IS ALSO USED TO MAKE DUMPS OF THE ENTIRE DISK TO PROVIDE EVERYONE WITH SOME BACKUP IN CASE OF A DISK CRASH OR USER ERROR. FOR DETAILS SEE DART.REG[UP,DOC] OR TALK TO REG.