Path: utzoo!attcan!uunet!auspex!guy From: guy@auspex.auspex.com (Guy Harris) Newsgroups: comp.unix.wizards Subject: Re: Two identical filenames in one directory! Message-ID: <2523@auspex.auspex.com> Date: 30 Sep 89 19:18:39 GMT References: <22@minya.UUCP> <2516@auspex.auspex.com> <8909300118.AA09366@beaches.hub.toronto.edu> Reply-To: guy@auspex.auspex.com (Guy Harris) Organization: Auspex Systems, Santa Clara Lines: 8 >1) In both V6 and V7, root is able to write a newly creat()'ed directory. > This is how mkdir used to make the . and .. entries. Wrongo. "mkdir" made those entries with the "link" system call. In any case, UNIX never let user-mode programs running as root open a directory for writing, even if bugs caused it not to properly check whether "core" was a directory.