(find.info)Hard Links


Hard Links
----------

   To find hard links, first get the inode number of the file whose
links you want to find.  You can learn a file's inode number and the
number of links to it by running `ls -i' or `find -ls'.  If the file has
more than one link, you can search for the other links by passing that
inode number to `-inum'.  Add the `-xdev' option if you are starting
the search at a directory that has other filesystems mounted on it,
such as `/usr' on many systems.  Doing this saves needless searching,
since hard links to a file must be on the same filesystem.  Note:
Filesystems.

 - Test: -inum n
     File has inode number N.

   You can also search for files that have a certain number of links,
with `-links'.  Directories normally have at least two hard links; their
`.' entry is the second one.  If they have subdirectories, each of
those also has a hard link called `..' to its parent directory.

 - Test: -links n
     File has N hard links.

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