GNU/Linux Firefox uses the GTK setting to determine whether Emacs-like/Readline-like keybindings are active in text fields. There are two different methods depending upon whether or not you run Gnome. If in doubt, it doesn't hurt to do both. Standard method: .gtkrc-2.0 To enable Emacs keybindings, add the line gtk-key-theme-name = "Emacs" to ~/.gtkrc-2.0 (create the file if it doesn't exist) and r