Backup with DAR (Disk ARchive)

#web: http://dar.linux.free.fr/
full backup: dar -v -c /backup/backup_full -R /home/silvan
diff backup: dar -v -c /backup/backup_diff -A /backup_backup_full -R /home/silvan
list files: dar -l /backup/backup_full
back_full: dar -v -w -R /home/silavn -x /backup_full
back_diff: dar -v -w -R /home/silavn -x /backup_diff
some_files: dar -v -w -R /home/silvan/ -x /backup_full -g some_folder

dar: Backup
     -c: create archive
     -R: data to backup
     -l: list files of archive
     -x: archive to extract
     -A: reference to full backup (for diff. Backup)
     -w: ovewrite existing files    
     -g: copy only that folder