I recommend using xed - a great editor - supporting gvfs and as such you can launch the editor from cli e.g.
xed admin://etc/fstab
but it is equally easy create thunar custom action for editing as root.
I recommend using xed - a great editor - supporting gvfs and as such you can launch the editor from cli e.g.
xed admin://etc/fstab
but it is equally easy create thunar custom action for editing as root.