2. In each command-line (terminal) window, execute the following commands, substituting your AWS Access keys for the
   example values.

   On Linux, OS X or Unix::

       export AWS_ACCESS_KEY_ID='your-access-key'
       export AWS_SECRET_ACCESS_KEY='your-secret-key'
       export AWS_REGION='your-aws-region'

   On Windows::

       set AWS_ACCESS_KEY_ID=your-access-key
       set AWS_SECRET_ACCESS_KEY=your-secret-key
       set AWS_REGION=your-aws-region