Webmin allows you to set up backup tasks that use the UNIX
dump command to archive the entire
ext filesystem's mount points. This strategy has a number of advantages over creating archives using
TAR. Firstly, all information contained in the filesystem is preserved, including extended file attributes, ACLs, special files, and so on.
dump allows you to create incremental archives containing only the files changed since the previous backup. The
dump command uses the concept of levels to distinguish between full and partial backups. A level 0 backup will archive all files (full backup), while a level 1 will only archive files changed since the last level 0 backup. A level 2 backup will archive ...