mingus@rtfm:~$ echo $PATH
/Users/mingus/.rvm/bin:/usr/local/git/bin:/usr/local/bin:/usr/bin:/bin
mingus@rtfm:~$ rvm use ruby-2.0.0-p247
Warning! PATH is not properly set up, '/Users/mingus/.rvm/gems/ruby-2.0.0-p247/bin' is not available,
         usually this is caused by shell initialization files - check them for 'PATH=...' entries,
         to fix run: 'rvm use ruby-2.0.0-p247'.
Using /Users/mingus/.rvm/gems/ruby-2.0.0-p247
mingus@rtfm:~$ echo $PATH
/Users/mingus/.rvm/gems/ruby-2.0.0-p247/bin:/Users/mingus/.rvm/gems/ruby-2.0.0-p247@global/bin:/Users/mingus/.rvm/rubies/ruby-2.0.0-p247/bin:/Users/mingus/.rvm/bin:/usr/local/git/bin:/usr/local/bin:/usr/bin:/bin