影子口令 meaning in English

shadow passwords

This problem led to the development of the shadow password suite
这一个问题导致了影子口令[字]程序组的发展。
The shadow password suite was created to provide an additional layer of protection
影子口令[字]程序组被建立提供一个保护的另外层。
Security can be enhanced if you configure users and groups in the shadow password suite
如果你在影子口令[字]程序组中配置使用者和组，安全[性]能被提高。