- /usr/share/xsessions/*
+ /usr/share/xsessions/ubuntu.desktop
+ /usr/share/xsessions/xfce.desktop

+ /usr/share/xsessions/gnome.desktop
+ /usr/share/xsessions/deepin.desktop

+ /usr/share/xsessions/i3.desktop

# gnome-session-fallback for the good ol' gnome2 session
+ /usr/share/xsessions/gnome-fallback.desktop
+ /usr/share/xsessions/kde-plasma.desktop
