Introduction - If you have any usage issues, please Google them yourself
RubyGems is a convenient and powerful Ruby program package manager (manager package), similar to the RPM. RedHat it will be a Ruby application packaged into a gem, as an installation unit. Features: remote installation package between the dependent relationship management simple and reliable unloading (uninstallation) query mechanism, can query packet of local and remote server can keep a bag of different versions based on Web view interface that can view the information you install the gem.