Installing RubyGems

To use RubyGems,you'll first need to download and install RubyGems system from the project's home page at http://rubygems.rubyforge.org. After downloading and unpacking the distribution,you can install it using the included install script.

% cd rubygems-1.3.5
% ruby install.rb

Depending on your operating system,you may need suitable privileges to write files into Ruby's site_ruby/ and bin/ directories.

The best way to test that RubyGems was installed successfully also happens to be the most important command you'll learn.

% gem help

RubyGems is a sophisticated package manager for Ruby. This is a basic help message containing pointers to more information.

Usage:
gem -h/--help
gem -v/--version
gem command [arguments...] [options...]

Example:
gem install rake
gem list --local
gem build package.gemspec
gem help install

Further help:
gem help commands
gem help examples
gem help

Further information:
http://rubygems.rubyforge.org