詳細
下記のように.bashrcに設定を追加すること
alias cucumber='C:/Ruby193/bin/cucumber' alias gem='C:/Ruby193/bin/gem' alias haml='C:/Ruby193/bin/haml' alias irb='C:/Ruby193/bin/irb' alias pry='C:/Ruby193/bin/pry' alias rails='C:/Ruby193/bin/rails' alias rake='C:/Ruby193/bin/rake' alias rdoc='C:/Ruby193/bin/rdoc' alias rspec='C:/Ruby193/bin/rspec'