Chrome OS uses Gentoo's Portage package manager. So to install say, emacs, you simply do # emerge emacs, or whatever you want to install.
Anyhow, there's also plenty of online instructions on how to use Crouton to install Ubuntu onto Chrome OS, the point is that Chrome OS is a full, real Linux distro.
If it was endorsed by Google, you would have a user friendly way of doing that with full documentation, instead of hacks having to be explained by users via YouTube videos.
Anyhow, there's also plenty of online instructions on how to use Crouton to install Ubuntu onto Chrome OS, the point is that Chrome OS is a full, real Linux distro.
http://www.youtube.com/watch?v=v031udlfY5E