I would like to setup the dual monitor settings where I can use two monitors as a single Desktop with single panel, single launcher and when some programs are maximized then it should span both the monitors (i.e fullscreen over both the monitors).I have ATI Raedon graphics cards and after searching it in the internet I found that by configuring the xorg.conf file I can setup the settings that I want.I have tried several ways to do it i.eusing gksu amdcccleAnd setting MultiDisplay settings, but my requirement has not yet been met. NOTE: I have done this using Nvidia graphics but its seem that it doesn't work with ATI graphics card.After searching for a while I found the link which gave me hope that it can be done in ATI as well, According to this link.xrandr must be disabled and AMD catalyst center will give the extra option of Big Desktop, to set it I usedsudo aticonfig --set-pcs-str=DDX,EnableRandR12,FALSEThen I restart X as per that link.But this command gives this output to the stdout:SetPcsStr is exclusive, other options will not be used.And I didn't find any extra configuration in my xorg.conf file.And I didn't even get the Big Desktop option in the AMD Catalyst center's Display manager. There is still three options i.e:Single DesktopCloned DisplayMultiple Display
how to configure xorg.conf for extended desktop?
xorg;dual monitor;ati