Last Updated: February 25, 2016
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· yylonly

Ruby Concepts

RVM

Ruby version management tools

RubyGems

Ruby package management tools (manual like RPM)

gem install rails / bundler
gem update

Bundler

package management tools of project by Gemfile file (like maven)

bundle install # will install all the package need by this project

Rails

Web framework for Ruby

rake db:migrate
rake db:create
other backup