可以与启动加载程序交互，选择引导哪个配置。
You can interact with the boot loader to select which of several possible configurations to boot.
通过加载roo shell并使用命令与之交互，您可以管理和配置应用程序。
You can manage and configure an application by loading the Roo shell and interacting with it using commands.
对公司的业务应用程序提供支持，包括数据加载与导出，通过应用程序的管理界面配置用户，产品，权限等；
Provide support to company business applications, such as data import and export, set up user, products, privilege by application administration interface, etc.;
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