On: Wed Oct 10 15:58:43 EDT 2012 Bowie Bailey Bowie_Bailey at BUC.com
wrote:
> It doesn't matter where sh is pointing. What matters is the
> shell configuration.
>
> I'm using bash here:
> $ which sh
> /bin/sh
> $ echo $SHELL
> /bin/bash
>
> So try 'echo $SHELL' instead of 'which sh' to see which shell
> you are using.
That seems to be the issue here.
[root@vhost04 ~]# echo $SHELL
/bin/bash
sh-4.1$ echo $shell
Examining the passwd file as suggested shows that root has :/bin/bash
and ordinary users have /bin/sh. And yet, the difference in behaviour
seems strange:
sh-4.1$ /bin/sh --version
GNU bash, version 4.1.2(1)-release (x86_64-redhat-linux-gnu)
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
[root@vhost04 ~]# /bin/bash --version
GNU bash, version 4.1.2(1)-release (x86_64-redhat-linux-gnu)
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
As far as I can see the two invocations call the same program. And
yet, replacing /bin/sh with /bin/bash in the ordinary user's passwd
entry does indeed change the prompt to one identical to that used by
root. Does anyone here know why this happens?
--
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