No, but your backup system should give you the ability to recover
historic versions of files. Maybe not with the granularity you would
like.
that's true. daily would be granular enough, though more often would
be nice.
If you want daily history, irrespective of how many changes were
made that day, then make hard links (-l) to a date-coded directory
using pax in copy mode (-r -w). In this case, your filesystem will
never get smaller even after "deleting" files.
Additional, smarter options are possible with pax, and cron, or both.
J
