Pick a Ruby version for your application and guarantee that your development environment matches production

rbenv

rbenv commands

Set or show the local application-specific Ruby version

Rehash rbenv shims (run this after installing executables)

Set or show the shell-specific Ruby version

List all Ruby versions that contain the given executable

Name	Description
`commands`	List all available rbenv commands
`global`	Set or show the global Ruby version
`install`	Install a Ruby version using ruby-build
`local`	Set or show the local application-specific Ruby version
`rehash`	Rehash rbenv shims (run this after installing executables)
`shell`	Set or show the shell-specific Ruby version
`uninstall`	Uninstall a specific Ruby version
`versions`	List installed Ruby versions
`whence`	List all Ruby versions that contain the given executable
`which`	Display the full path to an executable