It also reviews the DB2 UDB security model, including user authentication, user and group authorization, and super users.

文中还介绍了DB 2 UDB安全模型，包括用户身份验证、用户和组授权以及超级用户。

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Part 1 of this article series presents the DB2 security model, and discusses how user and group accounts interact with DB2 for Linux, UNIX, and Windows (DB2).

本系列的第1部分介绍了DB 2安全性模型，并讨论了用户和组帐户如何与DB 2 Universal Database (udb)交互。

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The Linux permissions model has two special access modes called suid (set user id) and sgid (set group id).

Linux权限模型有两个特殊的访问模式，名为suid(设置用户id)和sgid(设置组id)。

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