# Ruby - Rubinius
Rubinius is an implementation of the Ruby programming language. The Rubinius bytecode virtual machine is written in C++. The bytecode compiler is written in pure Ruby. The vast majority of the core library is also written in Ruby, with some supporting primitives that interact with the VM directly.
Author: Less Than Three. <3. http://less.thanthree.com

1.2.3

## Ruby

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One perspective to approach understanding how Rubinius implements Ruby begins with understanding how various concepts in Ruby work.

1. Scripts
2. Methods
3. Constants
4. Classes & Modules
5. Blocks & Procs
6. Local Variables
7. Instance Variables
8. Class Variables
9. Global Variables