Ruby Manager: RVM, rbenv, or Asdf

1) Choose between Ruby Version Manager or RBENV

You’ll want to install either of two tools: Ruby Version Manager, known as RVM, or its alternative and competitor RBENV.

Benefits of RVM

Benefits of RBENV


You type rvm list to see the list the installed versions of Ruby. To use a version, type rvm use (for example, rvm use 2.6.4). To install a new version of Ruby, use rvm install (for example, rvm install 2.6.6)


Switching between RubiesDoesn’t actually switch your Ruby. Instead, it uses a shim (like a wrapper) to intercept executions of RubySwitches between Ruby versions installed. Automatically switches when you move between folders in your terminal by using the .ruby-version file.
Where Ruby Is