For full, incremental, compressed and encrypted backups or archives
...Dar saves *all* UNIX inode types, takes care of hard links, sparse files as well as Extended Attributes (MacOS X file forks, Linux ACL, SELinux tags, user attributes) and some Filesystem Specific Attributes (Linux ext2/3/4, Mac OS X HFS+)
more details at: http://dar.linux.free.fr/doc/Features.html