Re: ln -d: allow the super-user to make hard links to directories, uh huh

[Jim Meyering]

Dan Jacobson <address@hidden> wrote:
> $ info ln
> `-d'
> `-F'
> `--directory'
>      Allow the super-user to make hard links to directories.
> $ ln --help
>   -d, -F, --directory         hard link directories (super-user only)
> $ man ln
>        -d, -F, --directory
>               hard link directories (super-user only)
>
> Oh great, one spends hours tying to find what is wrong only to
> discover,
> $ info ln
> On all existing implementations, you cannot make a hard link to a
> directory, and hard links cannot cross filesystem boundaries.  (These
> restrictions are not mandated by POSIX, however.)
>
> Therefore, kindly say everywhere you say super-user only,
> instead say "few systems, super-user only".

Thanks for the suggestion.
I've done this (which fixes --help output and the generated man page):

2003-10-15  Jim Meyering  <address@hidden>

        * src/ln.c (usage): Clarify that --directory, -d, -F probably won't
        work even for superuser.  Suggestion from Dan Jacobson.

and added a similar note in coreutils.texi.