> Backuppc is a very real world use case. It is so handy everyone should > be running it: http://backuppc.sourceforge.net/ It works pretty well as > long as you don't try to traverse the whole directory tree or copy the > archive with a file-oriented mechanism. Please stop hijacking threads with completely unrelated discussions and trying to make out they are somehow related. The discussion about directory sizes is solely about single very large directories.