I have installed node v0.8.25 for my cloud9 application and i want develop on node v0.11.2. So can i run cloud9 on v0.8 and run my programs on v0.11.2 on Ubuntu? I used nvm.
As hobbs said in his comment, nvm is the way to go, since it was made specifically for this.
Check out this nice article on how to set it up/use it with different versions: http://codetheory.in/using-node-version-manager-nvm-to-manage-multiple-node-js-versions/
Check rebrec's comment below for instructions on how to use