On Thu, 16 Nov 2000, Linus Torvalds wrote:
> The cwd is not the problem. The '.' is.
>
> The reason for that check is that allowing "rmdir(".")" confuses a lot of
> UNIX programs, because it wasn't traditionally allowed.
Moreover, allowing it means that you overload the semantics of rmdir()
(and rename(), where it becomes really nasty). And I'm not talking about
the locking issues - the things become extremely nasty there, esp. in
cases like foo/bar/., where bar is a symlink.
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