dump: dump (dump and restore backup commands) dump: dump: Dump examines files in a filesystem, determines which ones need to be dump: backed up, and copies those files to a specified disk, tape or other dump: storage medium. Subsequent incremental backups can then be layered on top dump: of the full backup. dump: dump: The restore command performs the inverse function of dump; it can restore dump: a full backup of a filesystem. Single files and directory subtrees may dump: also be restored from full or partial backups in interractive mode. dump: