$ git clone https://github.com/sstephenson/rbenv.git ~/.rbenv $ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile $ echo 'eval "$(rbenv init -)"' >> ~/.bash_profile $ source ~/.bash_profile $ exec $SHELL $ rbenv rbenv 0.4.0-51-ga2adc61 Usage: rbenv <command> [<args>] Some useful rbenv commands are: commands List all available rbenv commands local Set or show the local application-spec