If you’re interested in ways to back up stuff, and haven’t tried Dar yet, here’s an article on using Dar that I’ve just published on my personal blog. In short, Dar works very much like Tar, but it’s got a built-in feature for slicing up archive files which comes handy when you want to distribute backup files across several media, for example DVDs or hard disks.

Source/Kaynak : http://blogs.sun.com/mysqlf/entry/backing_up_with_dar