"A few weeks ago, CLI Magic had a story about rsync for backups.
Several readers pointed out higher-level backup utilities based on
rsync, and this week we are going to take a look at one of those:
rsnapshot. In addition to improving ease-of-use, rsnapshot allows
you to keep multiple snapshots in time of your data, local or
remote, without requiring the full set to be included in each one.
More backups, less space. What could be better? Come on down to the
CLI, and let's take a look.
"Rsnapshot is included in the native distributions of
OpenDarwin, the three BSDs, GenToo, and Debian Linux..."