Hard links for directories.


 
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# 1  
Old 08-23-2010
Question Hard links for directories.

Hard links for directories are not permitted by default. But in some flavor of Unix, super user can create hard links for directories by some other way? Is that true? Is it possible in latest version of BSD or other unix?
# 2  
Old 08-23-2010
I haven't yet found any modern UNIX that permits hard links for directories, ever. I believe this was for security reasons, though I never totally understood that explanation. This may depend on the filesystem as well as the kernel, too.
# 3  
Old 08-24-2010
info ln told me:
Quote:
On all existing implementations, you cannot make a hard link to a
directory, and hard links cannot cross file system boundaries. (These
restrictions are not mandated by POSIX, however.)
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