Lists all patch groups that have been registered with patch baselines.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/ssm/describe-patch-groups.html
| aws ssm describe-patch-groups --region us-east-2 |
| Walkthrough: Patch a Server Environment (AWS CLI) - AWS Systems Manager : http://docs.aws.amazon.com/systems-manager/latest/userguide/patch-manager-cli-commands.html |