The ultimate Mac OS X hacker, Amit Singh (last I heard, snapped up by Google) has released a new version of his HFSDebug tool (that’s a commandline tool folks :).
The new version has more features to do with hard links and hard link chains, new filters, component-wise path lookup from scratch, and is now Snow Leopard compatible (even if it is still only a PPC binary running under Rosetta 🙂
via MWJ