On 24 January 2012 12:16, honey ruby <emailtohoneyr...@gmail.com> wrote:
> hey everyone i am using rails 2.3.8 and ruby 1.8.7 . i want  to
> install rails 3 so how can i maintain 2 versions of rails in my pc. i
> wanna learn rails 3 and can any tell the major difference in 2.3.8 and
> rails 3.

Use rvm to manage multiple versions of ruby and rails.

Colin

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