$ ls /usr/share/xsessions/ gives the following: gnome-classic.desktop LXDE.desktop Trisquel-mini.desktop gnome.desktop openbox.desktop ubuntu-2d.desktop gnome-shell.desktop openbox-gnome.desktop xsession.desktop kde-plasma.desktop openbox-kde.desktop xterm.desktop
And $ ls /usr/share/gnome-session/sessions/ gdm.session gnome.session ubuntu-2d.session~ gnome-classic.session ubuntu-2d.session ubuntu.session
