v.910 Authenticate before Shut Down

[Jim Byrnes]

NoOp wrote:
> On 04/07/2010 02:30 AM, Willis Taylor wrote:
>> Since my last update I am having to authenticate my attempt to shut down
>> by entering my SU Password.  Has anyone else hit this and if so what's
>> the cure?
>>
>
> Generally that is an indication that another user is logged on. You
> should be able to check using:
>
> $ users

Being curious about the info terminal commands provide, I did:

jfb at jfb-ubuntu64:~$ users
jfb jfb

As the only user of this machine why do I show up twice?

Thanks,  Jim