I work with Xubuntu 12.04 on a MacBook Air. There are various posts about how to use Emacs' keybindings under gnome (see, for example, How do I enable Emacs keybindings in apps, such as Google Chrome?, reverting from emacs keybindings in chrome, or http://www.fettesps.com/ubuntu-emacs-keybindings/).
I installed gconf-editor and replaced "Greybird" by "Emacs" in desktop -> gnome -> interface -> gtk_theme. This change did not seem to have an effect, though.
How can I get Emacs keybindings under Xubuntu? [C-s for "search" and C-y for "paste" in google chrome, for example]