What is “rbenv-use” Package?

Switch between rubies without reference to patch levels
For more details: https://github.com/rkh/rbenv-use

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install rbenv-use.

  brew install rbenv-use

Now, use rbenv-use!