Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site brl-tgr.ARPA Path: utzoo!watmath!clyde!burl!ulysses!allegra!mit-eddie!genrad!panda!talcott!harvard!seismo!brl-tgr!gwyn From: gwyn@brl-tgr.ARPA (Doug Gwyn) Newsgroups: net.unix Subject: Re: Alternate Shells Message-ID: <782@brl-tgr.ARPA> Date: Sun, 18-Aug-85 16:10:30 EDT Article-I.D.: brl-tgr.782 Posted: Sun Aug 18 16:10:30 1985 Date-Received: Tue, 20-Aug-85 21:40:02 EDT References: <10672@Glacier.ARPA> <575@bu-cs.UUCP> <615@ucsfcgl.UUCP> Organization: Ballistic Research Lab Lines: 12 > I helped make this decision -- it was because people who left their > terminals unattended for a few minutes (to relieve themselves, say) > would find themselves with a strange shell the next time they logged > on. This kind of prank became such a pain (besides being virtually > unfixable without finding a super-user, a species of (alleged) person > not always available when you have an assigment due the next morning) > that we decided to turn off chsh to non-normal shells except for root. But that doesn't help. The prankster can always add something like exec echo goodbye as the last line of a .profile (or .login) even if chsh never existed. The solution to unattended logged-in terminals is to not have any.