Binary package “dump” in ubuntu trusty
4.4bsd dump and restore for ext2 filesystems
Dump examines files on a filesystem and determines which files need to be
backed up. These files are copied to the given disk, tape or other storage
medium for safe keeping.
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The restore command performs the inverse function of dump. A full backup of
a file system may be restored and subsequent incremental backups layered on
top of it. Single files and directory subtrees may be restored from full or
partial backups.