[Ham-Mac] OS X Time Machine Question

[Jim Tittsler]

On 2009-08-03 06:34, BOYD and LESLIE Moore wrote:
> pro: Rsync has the wonderful ability to detect changes in a particular
> file, and only sending to the destination the changes, not the whole
> file.

You may also want to consider rdiff-backup, which is built on 
librsync, but is more space efficient because it stores the current 
state of the file, plus reverse diffs allowing previous states to be 
recovered.  (It also can store metadata including file permissions 
across disparate systems.)
   http://rdiff-backup.nongnu.org/