Dual Boot Shortcuts (ChrUbuntu/ChromeOs)

Dual Boot Shortcuts
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Create Shortcuts to Easily Switch Between Chrome OS and Ubuntu

After completing these steps you will be able to switch to Ubuntu from Chrome OS by simply entering the command ubuntu in the terminal.
You will be able to switch to Chrome OS from Ubuntu by entering the command chromeos in the terminal.
Install Ubuntu using the instructions here
Boot into Ubuntu and navigate to the Home folder
Press ctrl + h
Double-click the file .bashrc
Scroll to the bottom of the file and add this command: alias chromeos='sudo cgpt add -i 6 -P 0 -S 0 /dev/sda;sudo reboot'
Save the file and close it
Open a terminal by selecting Applications > Accessories > Terminal and type chromeos
After entering your password (the default password is 'user'), the computer should reboot into Chrome OS
Log in to Chrome OS and press ctrl + alt + → (→ is the forward arrow where the F2 key would normally be)
Type chronos and press enter
Type sudo vim .profile and press enter (to see a complete list of vim editor commands go here)
Press the letter a to begin 'insert mode'
Type alias ubuntu='sudo cgpt add -i 6 -P 5 -S 1 /dev/sda;sudo reboot'
Press esc to return to 'command mode'
Press shift + z then shift + z again to save the file and return to the terminal
Type exit and press enter

*Type chronos to log in again and press enter
*Type ubuntu and press enter
*The computer should reboot into Ubuntu

*It seems that you have to log out of ChromeOS first
Do ctrl + alt + F2 to open up the terminal
Type chronos
Type ubuntu