hard links for directories ?
Greg 'groggy' Lehey
grog at FreeBSD.org
Wed Aug 18 19:18:01 PDT 2004
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On Wednesday, 18 August 2004 at 21:11:52 -0500, David Kelly wrote:
> On Aug 17, 2004, at 6:14 PM, Greg 'groggy' Lehey wrote:
>>> Root is the only one allowed to make hard links to directories.
>> This is not correct. root has no special powers here.
> OK, I'm a bit out of date and stand corrected. IIRC fsck used link(2)
> to reconnect an inode as a directory sometimes. "man 2 link" says:
>> The link() system call traditionally allows the super-user to link
>> directories which corrupts the file system coherency. This
>> implementation no longer permits it.
Ah, interesting. I didn't know that.
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