What is the Unix command to create a hardlink to a directory in OS X?

Question

How do you create a hardlink (as opposed to a symlink or a Mac OS alias) in OS X that points to a directory? I already know the command \"ln target destination\" but that on

Answer 1

Another solution is to use bindfs https://code.google.com/p/bindfs/ which is installable via port:

sudo port install bindfs
sudo bindfs ~/source_dir ~/target_dir