Acer Chromebook; Install Ubuntu

[Recovery to Ubuntu]
F3 + Esc + Power  // Bios booting
Crtl + D    // Developer Mode
Crlt + Alt + F2   // Command Prompt
$ Log in: chronos
$ sudo cgpt add -i 6 -P 5 -S 1 /dev/sda  // To chrUbuntu


[Ubuntu dual booting Setting]

F3 + Esc + Power
Crtl + D  (*Developer Mode)
Spacebar
Crtl + D (*Setting and networking)
Crlt + Alt + F2 (*Command Prompt)
$ Log in: chronos
$ sudo bash
$ chromeos-firmwareupdate --mode=todev (*Firmware updater)
$ exit (*to the chronos user command prompt)
$ wget http://goo.gl/i817v; sudo bash i817v (* to setup the partition)
Enter 290 (*Ubuntu partition 290GB)
$ reboot (*Networking Connection again)
Crlt + Alt + F2  (*Command Promt)
$Log in: chronos
$ wget http://goo.gl/i817v; sudo bash i817v (*to install ChrUbuntu 12.04)
$ reboot (*into a fully functional Ubuntu)
(* Ubuntu Login / Password -> user / user)

Ctrl + Alt + F1 ; Login
Crlt + Alt + F2 ; Command
F3 + Esc + Power ; Recovery Mode
Crtl + D ; Developer Mode

[To Chrome OS]
$ sudo cgpt add -i 6 -P 0 -S 1 /dev/sda

[To chrUbuntu]
$ sudo cgpt add -i 6 -P 5 -S 1 /dev/sda

[Shell Script Download]
Change to Ubuntu
https://www.dropbox.com/s/0v0scz3rnzessx7/toubuntu
http://goo.gl/Dnsme

Change to Chrome OS
https://www.dropbox.com/s/52o1vdf1sem4hrz/tochrome
http://goo.gl/HmoH3