zsh: command not found: rvm on terminal load
# Run this command line: (if using login-shell)
echo "source $HOME/.rvm/scripts/rvm" >> ~/.bash_profile
# Or this (if using non-login shell):
echo "source $HOME/.rvm/scripts/rvm" >> ~/.bashrc
# Or if you are using zsh (and/or oh-my-zsh):
echo "source $HOME/.rvm/scripts/rvm" >> ~/.zshrc