From: Jonathan Nielsen on
> After I installed ruby 1.9.1, I run gem -v, it prints out gem 1.3.1 even
> though I haven't installed rubygem yet. Is this correct?

Yes, ruby 1.9.1 comes pre-packaged with gem 1.3.1.

> What should I do if I need different version of gem?
>

To update to the newest version, just use: gem update --system

-Jonathan Nielsen