rbenv
rbenv
TLDR
Install one or more space-separated versions of Ruby
$ rbenv install [version(s)]
Display a list of installed versions
$ rbenv versions
Use a specific version of Ruby across the whole system
$ rbenv global [version]
Use a specific version of Ruby for an application/project directory
$ rbenv local [version]
Show the currently selected Ruby version
$ rbenv version
Uninstall a version of Ruby
$ rbenv uninstall [version]
Display all ruby versions that contain the specified executable
$ rbenv whence [executable]
