You will have much better luck getting feedback if you post more information.
For starters, what is your goal, and are you trying to Dual Boot?
Like what is "this"? meaning, what make and model of computer and Version of Chrome OS?
What commands did you run? I assume to gain access to create Partitions to install Linux too.
Where did you find these commands? post the link please.
How much RAM
How big of HDD
And perhaps most important: Do you have a Backup Image of your system and or Important files if you are trying to dual boot?
One of the articles I read said that this process takes Fifteen Minutes, and it erases all your Local Data.
Here is the official Documentation in case you need it
Edited by pcpunk, 28 December 2015 - 11:50 AM.