Safely Remove Drive needed twice

[Mark]

On Fri, Oct 29, 2010 at 1:48 AM, Mark Widdicombe
<mwiddicombe at shoprite.co.za> wrote:
>
> My employers allow email access, but not internet.  Just above the left pane in Nautilus
> there is a button that allows one to choose between Tree, Places, Information,
> History, Notes and Emblems.  The pyramid symbols next to drives which allows them
> to be safely removed only appear when 'Places' mode is selected; they disappear when
> one of the other modes is selected.
>

(Fully realizing that this is now a 3-way dialogue....)

I don't have a left pane in Nautilus.  (I mentioned this in my last posting.)

How does one set that up?

Mark