su vs. su - -- ignore

-BEGIN PGP SIGNED MESSAGE- Sorry, I stupidly did not check if DISPLAY was set (which is wasn't) when "su -"ing. Cheers. - -- Colin R. Telmer, Institute of Intergovernmental Relations School of Policy Studies, Queen's University Kingston, Onta

su vs. su -

-BEGIN PGP SIGNED MESSAGE- When I am logged in as telmerco and "su" to root in another rxvt, I can run emacs in either the foreground or the background (ie. "emacs" or "emacs &"). However, when I use "su -" rather than "su" I can only run emacs in the foreground. What can I do to get it to