Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!hsdndev!cmcl2!adm!smoke!gwyn
From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.unix.questions
Subject: Re: mkdir has stopped working - SCO Xenix
Message-ID: <15884@smoke.brl.mil>
Date: 18 Apr 91 06:08:30 GMT
References: <1991Apr10.090338.4967@nodecg.ncc.telecomwa.oz.au>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 8

In article <1991Apr10.090338.4967@nodecg.ncc.telecomwa.oz.au> baker@nodecg.ncc.telecomwa.oz.au (mark baker 4206813) writes:
>One of my 386 machines running Xenix 2.3.2 has suddenly refused to let
>any user, including root, from making a directory.

On many UNIX implementations, presumably including yours,
"mkdir" must be installed set-UID 0 in order to work.
I would guess that somebody changed the owners of the system utilities,
or their protection modes, or something like that.