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Ruby is a pure object-oriented language.
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Ruby is dynamic, elegant syntax, simplicity and productivity.
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Yukihiro Matsumoto known as “Matz” is the creator of Ruby.
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Philosophy for the design of Ruby:
Ruby is designed to make programmers happy.
- Ubuntu
- Mac OS
- irb (Interactive Ruby Shell): is a tool to interactively execute Ruby code
- From Files: From the command line, type the following command to excuse the Ruby code from demo.rb file:
ruby demo.rb