rvm install 1.9.2
[~/ruby/rubytesting]$ rvm list rubies rvm rubies jruby-1.7.3 [ x86_64 ] rbx-2.0.0.rc1 [ x86_64 ] ruby-1.8.7-p352 [ i686 ] ruby-1.9.2-p290 [ x86_64 ] ruby-1.9.3-head [ x86_64 ] =* ruby-1.9.3-p392 [ x86_64 ] ruby-2.0.0-p0 [ x86_64 ] ruby-2.0.0-p195 [ x86_64 ] # => - current # =* - current && default # * - default