Ruby ¶ See also https://en.wikipedia.org/wiki/Ruby_(programming_language ) https://github.com/ruby/ruby https://www.ruby-lang.org/en/ https://gitlab.com/gdevops rvm install ruby Ruby definition github ruby definition What’s Ruby Features of Ruby How to get Ruby Ruby home page Mailing list How to compile and install Copying Feedback Contributing The Author Wikipedia definition Ruby versions Ruby 2.6.3 (2019-04-17) Ruby 2.6.0 (2018-12-25) RVM (Ruby Version Manager) RVM definition https://rvm.io/ definition rvm rvm list RVM versions RVM 1.29.7 (2019-01-03) RVM installation Cut Rubies with ease ! rvm list rvm install ruby rvm docs generate-ri whereis gem gem Rubygems Rubygems definition github rubygems definition RubyGems English wikipedia definition Rubygems versions