title: rvm use 1.9.2 leaves me using ruby 1.8.7
body: <p>I dont understand why after the rvm command I am still on ruby 1.8.7. Ive followed the install instructions for rvm and it all seemed to go fine - where do I look to start resolving this?</p>
  
  <pre><code>andrew@unifex:~$ rvm use 1.9.2 --default
  Using /home/andrew/.rvm/gems/ruby-1.9.2-p290
  andrew@unifex:~$ ruby -v
  ruby 1.8.7 (2008-08-11 patchlevel 72) [x86_64-linux]
  andrew@unifex:~$
  
  andrew@unifex:~$ rvm info
  
  ruby-1.9.2-p290:
  
    system:
      uname:       "Linux unifex 2.6.22-3-amd64 #1 SMP Sun Nov 4 18:18:09 UTC 2007 x86_64 GNU/Linux"
      bash:        "/bin/bash =&gt; GNU bash, version 3.1.17(1)-release (x86_64-pc-linux-gnu)"
      zsh:         " =&gt; not installed"
  
    rvm:
      version:      "rvm 1.9.2 by Wayne E. Seguin (wayneeseguin@gmail.com) [https://rvm.beginrescueend.com/]"
  
    ruby:
      interpreter:  "ruby"
      version:      "1.9.2p290"
      date:         "2011-07-09"
      platform:     "x86_64-linux"
      patchlevel:   "2011-07-09 revision 32553"
      full_version: "ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-linux]"
  
    homes:
      gem:          "/home/andrew/.rvm/gems/ruby-1.9.2-p290"
      ruby:         "/home/andrew/.rvm/rubies/ruby-1.9.2-p290"
  
    binaries:
      ruby:         "/home/andrew/.rvm/rubies/ruby-1.9.2-p290/bin/ruby"
      irb:          "/home/andrew/.rvm/rubies/ruby-1.9.2-p290/bin/irb"
      gem:          "/home/andrew/.rvm/rubies/ruby-1.9.2-p290/bin/gem"
      rake:         "/home/andrew/.rvm/gems/ruby-1.9.2-p290/bin/rake"
  
    environment:
      PATH:         "/home/andrew/.rvm/gems/ruby-1.9.2-p290/bin:/home/andrew/.rvm/gems/ruby-1.9.2-p290@global/bin:/home/andrew/.rvm/rubies/ruby-1.9.2-p290/bin:/home/andrew/.rvm/bin:/usr/local/java/jdk1.6.0_20/bin:/usr/local/apache/maven/bin:/usr/local/bin:/usr/bin:/bin:/usr/games:/usr/local/java/jdk1.6.0_03/bin"
      GEM_HOME:     "/home/andrew/.rvm/gems/ruby-1.9.2-p290"
      GEM_PATH:     "/home/andrew/.rvm/gems/ruby-1.9.2-p290:/home/andrew/.rvm/gems/ruby-1.9.2-p290@global"
      MY_RUBY_HOME: "/home/andrew/.rvm/rubies/ruby-1.9.2-p290"
      IRBRC:        "/home/andrew/.rvm/rubies/ruby-1.9.2-p290/.irbrc"
      RUBYOPT:      ""
      gemset:       ""
  </code></pre>