Set a Default Ruby Version with Ruby Version Manager (RVM)

To set the system-wide version of Ruby with rvm run:

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rvm --default use <version number>

For example, to use 3.1.2 as the default version system-wide, run:

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rvm --default use 3.1.2

Now this version will be used even when a new terminal tab or window is opened.

References:

• https://rvm.io/rubies/default