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How to install ruby on MAC

How to install ruby on MAC ?


Whenever you start the development of Ruby on Rails on MAC, the initial step is to install Ruby on Rails. You will learn how to install ruby on rails on MAC with this article.

Steps on how to install ruby on MAC and Important Commands useful for Ruby Developer:

1.  First of all you need to have RVM installed on your machine.

2.  Then use RVM to install Ruby on your machine by following command:

    rvm install ruby

Above command will install the latest stable version of Ruby on your machine.

3. Install a specific version of Ruby:

    - You can install specific version of ruby using following command:

 > rvm install 1.9.2  => This will install ruby's stable version of 1.9.2 release

> rvm install 2.0.0  => This will install ruby's stable version of 2.0.0 release

4. How to check version of Ruby installed on your machine?

    - You can use ruby --version command to check the version of Ruby currently in use.
    Sample Output:

> ruby --version
ruby 1.9.2p320 (2012-04-20 revision 35421) [x86_64-darwin13.0.0]

5. List Ruby versions installed on your machine

    - You can list versions of Ruby packages install on your machine by following command

 > rvm list
Sample Output:

rvm rubies

=* ruby-1.9.2-p320 [ x86_64 ]
ruby-1.9.3-p448 [ x86_64 ]
ruby-2.0.0-p247 [ x86_64 ]
ruby-2.0.0-p353 [ x86_64 ]

 # => - current

# =* - current && default

# * - default

6. Set Ruby version to be used:
- You can set which version to be used for the development by command:
 > rvm use ruby-1.9.3-p448
Using /Users/username/.rvm/gems/ruby-1.9.3-p448

7. Set Default Ruby version to be used:
   > rvm use ruby-1.9.3-p448 --default

This was all about how to install Ruby on MAC. Comments and Suggestions are appreciated.

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