From the article: Using rsync and hard links, it is possible to keep multiple, full backups instantly available. The disk space required is just a little more t

From the article: Using rsync and hard links, it is possible to keep multiple, full backups instantly available. The disk space required is just a little more than the space of one full backup, plus incrementals. That quite natty. I know many organisations which could benefit from this script. However, you'll have be careful not to exhaust inodes.