このエラーメッセージに関する原因と対処に関して説明します。
エラーメッセージ(英語)：
command line options
対処
関連リンク
Command Line Options - AWS Command Line Interface
https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-options.html
aws ? AWS CLI 1.16.111 Command Reference
https://docs.aws.amazon.com/cli/latest/reference/
s3 ? AWS CLI 1.16.111 Command Reference
https://docs.aws.amazon.com/cli/latest/reference/s3/index.html
Cp
https://docs.aws.amazon.com/cli/latest/reference/s3/cp.html
Ls
https://docs.aws.amazon.com/cli/latest/reference/s3/ls.html
Sync
https://docs.aws.amazon.com/cli/latest/reference/s3/sync.html
Mb
https://docs.aws.amazon.com/cli/latest/reference/s3/mb.html
Configuring the AWS CLI - AWS Command Line Interface
https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-configure.html
Getting Help with the AWS CLI - AWS Command Line Interface
https://docs.aws.amazon.com/cli/latest/userguide/cli-usage-help.html
Using the AWS CLI - AWS Command Line Interface
https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-using.html