On Sat, Jan 19, 2008 at 03:08:36AM +1100, Sunnz wrote:
> 2007/12/30, Hannah Schroeter <[EMAIL PROTECTED]>:
> >
> > 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?
Think about it. A hard link on /usr isn't something a normal user can
create. Unless you've mismanaged your system.
-Otto
