Article is a bit dated but I thing the options are still pretty accurate:
http://www.junauza.com/2009/01/7-best-freeopen-source-backup-software.html

On Wed, Jan 19, 2011 at 2:25 PM, Eric - A <ericallen3@juno.com> wrote:

> What is a simple program to do full and incremental backups of my hardrive?
> I'm running Ubuntu 10.04.
>
>
> .
> Eric - A
> .
> The Arizona Business and Liberty Experience (www.ABLEconf.com) is a
> business-oriented Free Software conference organized by a coalition of many
> Arizona Free Software groups.
> .
>
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