Ruby is a popular programming language, but not all computers have it installed by default. This chapter takes you through the steps necessary to get Ruby working on your computer.
As an open source language, Ruby has been adapted to run on many different computer platforms and architectures. This means that if you develop a Ruby program on one machine, it’s likely you’ll be able to run it without any changes on a different machine. You can use Ruby, in one form or another, on all the following operating systems and platforms: ...
