This is traditional & complicated but free.
http://www.macosxhints.com/article.php?story=20010206232018498

On 23/12/01 5:43 PM, "Andrew Nielsen" <[EMAIL PROTECTED]> wrote:

> At 19:40 +1100 23/12/2001, Troy May wrote:
>> I'm confused as to why it's so hard to get the backup app's working? What
>> exactly is it that prevents one from just dragging and dropping the contents
>> of one disk onto another?
> 
> That ain't a backup strategy :-)
> 
>> Is it some kind of dependency on pathnames tied to a volume/partition name
>> or what?
> 
> Basically Apple had to make some changes to Mac OS X for Retrospect
> to be able to get the right information to be able to do its thing.
> That's done now, and Dantz is working on getting Retrospect 5
> finished.
> 
>> How do traditional Unix's (Unices?) handle backups?
> 
> With traditional, complicated and sometimes expensive software.