crouton install options

Available targets:
audio
        Support audio playback via Chromium OS's audio system.
        Requires: core
chrome
        Google Chrome browser, stable channel.
        Requires: x11
chrome-beta
        Google Chrome browser, beta channel.
        Requires: x11
chrome-dev
        Google Chrome browser, dev channel.
        Requires: x11
chromium
        Chromium browser. Uses the distro's version, which may be old.
        Requires: x11
cli-extra
        Basic CLI tools such as ssh.
        Requires: core
core
        Performs core system configuration. Most users would want this.
e17
        Installs the enlightenment desktop environment. (Approx. 50MB)
        Requires: gtk-extra
extension
        Clipboard synchronization and URL handling with Chromium OS.
        Requires: x11
gnome
        Installs the GNOME desktop environment. (Approx. 400MB)
        Requires: gtk-extra
gnome-desktop
        Installs GNOME along with common applications. (Approx. 1100MB)
        Requires: gnome
gtk-extra
        GTK-based tools including gdebi, gksu, and a simple browser.
        Requires: x11
kde
        Installs a minimal KDE desktop environment. (Approx. 600MB)
        Requires: x11
kde-desktop
        Installs KDE along with common applications. (Approx. 1000MB)
        Requires: kde
keyboard
        Adds support for Chromebook keyboard special keys.
        Requires: x11
lxde
        Installs the LXDE desktop environment. (Approx. 200MB)
        Requires: gtk-extra
lxde-desktop
        Installs LXDE along with common applications. (Approx. 800MB)
        Requires: lxde
touch
        Touchscreen and limited generic gesture support.
        Requires: x11
unity
        Installs the Unity desktop environment. (Approx. 700MB)
        Requires: gtk-extra
unity-desktop
        Installs Unity along with common applications. (Approx. 1100MB)
        Requires: unity
x11
        X11 via autodetected backend. Does not install any desktop environment.
        Requires: xorg
xbmc
        Installs the XBMC media player. (Approx. 140MB)
        Requires: x11
xephyr
        Nested X11 backend. Improves compatibility but lacks GPU accel.
        Requires: audio
xfce
        Installs the Xfce desktop environment. (Approx. 250MB)
        Requires: gtk-extra
xfce-desktop
        Installs Xfce along with common applications. (Approx. 1200MB)
        Requires: xfce
xiwi
        X.org X11 backend running unaccelerated in a Chromium OS window.
        Requires: audio extension
xorg
        X.Org X11 backend. Enables GPU acceleration on supported platforms.
        Requires: audio
chronos@localhost /usr/local/chroots $ sh ~/Downloads/crouton -t help