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From: iwm@icdoc.UUCP (Ian Moor)
Newsgroups: net.unix
Subject: Re: Alternate Shells
Message-ID: <237@ivax.icdoc.UUCP>
Date: Tue, 20-Aug-85 17:54:44 EDT
Article-I.D.: ivax.237
Posted: Tue Aug 20 17:54:44 1985
Date-Received: Sat, 24-Aug-85 17:10:59 EDT
References: <10672@Glacier.ARPA> <575@bu-cs.UUCP> <615@ucsfcgl.UUCP>
Reply-To: iwm@icdoc.UUCP (Ian Moor)
Organization: Dept. of Computing, Imperial College, London, UK.
Lines: 21
Xpath: icdoc ivax

In article <615@ucsfcgl.UUCP> arnold@ucsfcgl.UUCP (Ken Arnold) writes:
>>>A quickie: 4.2BSD chsh does not allow the user to specify alternative
>>>shells - only "sh" and "csh" are permitted. Why is this? 
>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.

Surely being able to change your password interactively can cause just
the same problem and passwd has a solution, ask for your current password.
Its more difficult to stop people changing your .login though.
 

-- 
Ian W Moor
                                   The squire on the hippopotamus is equal
 Department of Computing           to the sons of the other two squires.
 Imperial College.
 180 Queensgate 
 London SW7 Uk.