它用于查找、创建、修改和删除用户和组，也可用于对关于当前登录用户的概要信息进行此类操作。
It is used to find, create, modify, and delete users and groups, as well as profile information about the currently logged in user.
只需要少许单击操作，管理员便可以创建和删除用户和组、修改组成员以及更改用户密码。
With only a few clicks, administrators can create and delete users and groups, modify group memberships, and change user passwords.
在操作阶段中，该程序对XML文档中的元素进行添加、修改和删除的数据更新操作。
In the manipulating stage, the program makes changes to the data by adding, modifying, and deleting elements in the XML document.
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