2007/12/30, Hannah Schroeter <hannah@schlund.de>:
quoted text
>
> If you type rm foo and foo was the last link to the file (the underlying
> inode) and there was no open file descriptor and no mapped memory
> referring to the inode, either (I hope I've covered the important kinds
>

So, is there a 'sure way' to delete a file?

From what I understand, if foo isn't the last hard link to the file,
and `rm foo` will NOT delete the file...

Say if the current version of OpenSSH has a security hole, and some
user create a hard link to it, it would be the that version of OpenSSH
will be kept even if I decide to update the system that updates
OpenSSH? (Just using OpenSSH as an arbitrary example.)

In such a case, is there a way to make sure that the old version of
OpenSSH is deleted?

Cheers.

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