TLDR
Is Ruby installed on a Mac? How To Check On macOS Catalina and Big Sur? How to check if Ruby is installed. MacOS comes with a "system Ruby" pre-installed. You may not want to use the MacOS system Ruby because it is an older version of Ruby. You could also use a version manager such as asdf, chruby, rbenv, or rvm. A version manager can also help if you're juggling multiple projects that can't be updated all at once.via the TL;DR App
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Written by railsapps | Author of the book, "Learn Ruby on Rails" and founder of the RailsApps open source project.
