Better docs on installing gems with rbx.

README

@@ -32,9 +32,25 @@ To install Rubinius, use the following steps:
 When the install process finishes, follow the directions to add the Rubinius
 executable (bin) directory to your PATH.
 
+Rubinius comes with RubyGems built-in. To install a gem, run the following:
+
+  rbx gem install <gem_name>
+
 After installing Rubinius, you can access the built-in documentation at any
 time by running 'rbx docs'.
 
+3.1 Installing with RVM
+
+You may wish to use the Ruby Version Manager (RVM) project to install
+Rubinius. For the most current documentation for RVM, please visit
+http://rvm.beginrescueend.com. Generally, the following commands should work:
+
+  rvm install rbx         # Installs the current release
+  rvm install rbx-head    # Installs the Rubinius master branch
+
+Once installed, 'rvm use rbx' should make Rubinius the available Ruby.
+
+
 4. Version 1.1
 
 Rubinius has been under development as a public open-source project since

doc/content/index.html

@@ -37,3 +37,7 @@
 
 When the install process finishes, follow the directions to add the Rubinius
 executable (bin) directory to your PATH.
+
+Rubinius comes with RubyGems built-in and has rake and rdoc gems
+pre-installed. To install the nokogiri gem, for example, run `rbx gem install
+nokogiri`.

lib/rubinius/documentation/site/index.html

@@ -41,6 +41,10 @@ <h1 id="installing">Installing</h1>
 <p>When the install process finishes, follow the directions to add the Rubinius
 executable (bin) directory to your PATH.</p>
 
+<p>Rubinius comes with RubyGems built-in and has rake and rdoc gems
+pre-installed. To install the nokogiri gem, for example, run <code>rbx gem install
+nokogiri</code>.</p>
+
     </div>
 
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