tldr/pages/common/rbenv.md

rbenv

Easily install Ruby versions and manage application environments. See also: asdf. More information: https://github.com/rbenv/rbenv.

• Install a Ruby version:

rbenv install {{version}}

• Display a list of the latest stable versions for each Ruby:

rbenv install --list

• Display a list of installed Ruby versions:

rbenv versions

• Use a specific Ruby version across the whole system:

rbenv global {{version}}

• Use a specific Ruby version for an application/project directory:

rbenv local {{version}}

• Display the currently selected Ruby version:

rbenv version

• Uninstall a Ruby version:

rbenv uninstall {{version}}

• Display all Ruby versions that contain the specified executable:

rbenv whence {{executable}}