On 04/05/10 09:08, Gregory Ewing wrote:
Grant Edwards wrote:

except that Python objects can form a generalized graph, and Unix
filesystems are constrained to be a tree.

Actually I believe that root is allowed to create arbitrary
hard links to directories in Unix, so it's possible to turn
the file system in to a general graph. It's highly
unrecommended, though, because it confuses the heck out of
programs that recursively traverse directories (which is
why only root is allowed to do it).

i think there are versions of mac osx that use hard-linked directories in their backup systems.
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