hard links in unix

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# 1  
Old 08-12-2009
hard links in unix

i have a hardlink how can i find the source of it
# 2  
Old 08-12-2009
There is a find option called -samefile for GNU find. Read this:
Hard Links - Finding Files
and try it out. It will compare the inodes of the file you give to all other that find will stumble upon.

If you don't have that find, I would check it's Inode manually with ls -li and search the filesystem with find looking for this inode. Hardlinks can't pass filesystem boundaries so it's kinda easy/limited search.
# 3  
Old 08-12-2009
As hinted by zaxxon , the "find" syntax depends on the Operating System.

Display the inode number of the file with "ls".
ls -i filename

Inode numbers are only unique within mountpoints.

Then use the "find" command to search the mountpoint containing the file by inode number (-inum number) and use the "find" switch to keep the search within the mountpoint (-xdev in some versions, -mount in some other versions).
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