rdiff-backup: Rdiff-Backup (Remote Incremental Backup) rdiff-backup: rdiff-backup: Rdiff-Backup backs up one directory to another, possibly over a rdiff-backup: network. The target directory ends up a copy of the source directory rdiff-backup: but extra reverse diffs are stored in a special subdirectory of that rdiff-backup: target directory, so you can still recover files lost some time ago. rdiff-backup: rdiff-backup: rdiff-backup: rdiff-backup: rdiff-backup: