backup problem

[Matthew Flaschen]

Mahadi Hasan wrote:
> I have created a backup file of my documents on the command line using
> tar utility. Now, I want to update the file periodically without
> creating the backup file of all the documents again from the
> ground-up.

Consider using rdiff-backup.  It's a little more complicated than a
single tar file.  However, it's very good at updating backups
efficiently while allowing you to go back to old versions of your files
if necessary.

Matt Flaschen