Retrieves the default patch baseline.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/ssm/get-default-patch-baseline.html
| aws ssm get-default-patch-baseline --region us-east-2 |
| Verify Default Patch Baselines or Create a Custom Patch Baseline - AWS Systems Manager : http://docs.aws.amazon.com/systems-manager/latest/userguide/patch-manager-cli-commands.html |