- .rdiff -- this is a configuration for rdiff-backup
- .maildir -- this is a configuration to backup maildirs
- .dup -- this is a configuration for duplicity
- .mysql -- mysql backup configuration
- .ldap -- ldap backup configuration
- .sys -- general system reports
- .svn -- subversion repository backups
+ .rdiff -- filesystem backup (using rdiff-backup)
+ .dup -- filesystem backup (using duplicity)
+ .mysql -- backup mysql databases
+ .ldap -- backup ldap databases
+ .pgsql -- backup PostgreSQL databases
+ .sys -- general hardware, partition, and system reports.
+ .svn -- backup subversion repositories
+ .maildir -- incrementally backup maildirs (very specialized)