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Install Alongside Ruby 1.8.x--Upgrading to Ruby 1.9.1

By

Move the downloaded file to your home directory and run the following command.

$ tar -xjf ruby-1.9.1-p0.tar.bz2

This will extract all the files from the archive into a directory called ruby-1.9.1-p0. Change to this directory.

$ cd ruby-1.9.1-p0

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