12-17-2001
I doubt that there is any reasonable way to do this. The inode is a mount point, so the unlink system call can't touch it. I would just rename to "..." and leave it alone. It isn't causing much trouble. It's like a bullet too close to a spine...it's too risky to attempt removal.
One thing that might work would be to try nfs. Export or share the root volume. And then use nfs to "remotely" mount a second copy of it. Then try the unlink via nfs. This really should fail, but with nfs, you never know.
And the final option would be editing the raw device. You may have a program called fsdb for this purpose.
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LN(1) General Commands Manual LN(1)
NAME
ln, clone - create a link to a file
SYNOPSIS
ln [-ifmrRvx] file [name]
ln [-ifrRvx] file ... dir
clone [-ifmvx] file [name]
OPTIONS
-i Ask if ok to remove a file
-f Remove existing links
-m Merge trees, disable the into-a-directory trick
-rR Recursively link a directory tree
-v Display what ln is doing
-x Do not cross device boundaries
EXAMPLES
ln file newname # Make newname a synonym for file
ln /usr/games/chess # Create a link called chess
DESCRIPTION
A directory entry is created for name . The entry points to file . Henceforth, name and file can be used interchangeably. If name is not
supplied, the last component of file is used as the link name. If more than one file is supplied or the name refers to an existing direc-
tory, links will be created in that directory. An existing name will not be removed unless the -i or -f flag is specified.
Clone is a convenient synonym for ln -fmr to create a so-called "link farm", a directory full of links to the original tree.
SEE ALSO
cp(1), link(2), unlink(2).
LN(1)