A Guide to The Rails Command Line

"rake notes" - Desconhecia a existência disso, muito bom

$ rake about About your application's environment Ruby version 1.8.7 (x86_64-linux) RubyGems version 1.3.6 Rack version 1.3 Rails version 3.2.0.beta JavaScript Runtime Node.js (V8) Active Record version 3.2.0.beta Action Pack version 3.2.0.beta Active Resource version 3.2.0.beta Action Mailer version 3.2.0.beta Active Support version 3.2.0.beta Middleware ActionDispatch::Static, Rack::Lock, Rack::Runtime, Rack::MethodOverride, ActionDispatch::RequestId, Rails::Rack::Logger, ActionDispatch::ShowExceptions, ActionDispatch::DebugExceptions, ActionDispatch::RemoteIp, ActionDispatch::Reloader, ActionDispatch::Callbacks, ActiveRecord::ConnectionAdapters::ConnectionManagement, ActiveRecord::QueryCache, ActionDispatch::Cookies, ActionDispatch::Session::CookieStore, ActionDispatch::Flash, ActionDispatch::ParamsParser, ActionDispatch::Head, Rack::ConditionalGet, Rack::ETag, ActionDi...

Full article: http://guides.rubyonrails.org/command_line.html#notes