From: Jonathan Nielsen Date: 2010-03-17T07:10:39+09:00 Subject: Re: rubygem > 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