hiding files under a mount point.

[The Grey Wolf]

/* <1991Apr3.140229.3474 at athena.mit.edu> by jik at athena.mit.edu (Jonathan I. Kamens)
 * In article <MITCH.91Mar26123609 at hq.af.mil>, mitch at hq.af.mil (Mitch Wright) writes:
 * |> Just write your own library routines that quickly unmount the fs, open the
 * |> file, and then remount.
 * 
 *   This will only work if no process has any files open on the filesystem
 * you're trying to unmount.  In the case of a filesystem like /usr, it is very
 * unlikely that no one will have any open files on it when you go to unmount it.

Not to mention that if you manage to nfs-mount the parent fs of the fs in
question, you can get to the file anyway (though permissions can take care
of that if you use the extreme fascistic permission scheme for your precious
files...).  It's kind of like sweeping things under the rug on the main
system and then using some other system to turn 2-dimensional and make your
way under the rug...

It's a side effect which is better avoided.

 * 
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