rbenv
Easily install Ruby versions and manage application environments. tldr-pages
On several platforms
Several platforms
Install a Ruby version
rbenv install versionIdentifyDisplay a list of the latest stable versions for each Ruby
rbenv install --listIdentifyDisplay a list of installed Ruby versions
rbenv versionsIdentifyUse a specific Ruby version across the whole system
rbenv global versionIdentifyUse a specific Ruby version for an application/project directory
rbenv local versionIdentifyDisplay the currently selected Ruby version
rbenv versionIdentifyUninstall a Ruby version
rbenv uninstall versionIdentifyDisplay all Ruby versions that contain the specified executable
rbenv whence executableIdentify