这样的程序通常是suid(设定uid) root，也就是即使一般的老使用者执行这个程序时系统也会按请求将特殊权限扩充给应用程序。

Such programs are generally suid (set uid) root, meaning that the system extends special privileges to the application upon request, even if a regular old user runs the program.

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其可以采用组织为所有系统所设计的员工登录与使用者权限。然而，组织若不存在此一般性的使用者权限登录程序，则必须设计属于自己的登录程序。

It may draw on the organization's register of employees and user permissions for all systems, but where there is no general user-permissions registration procedure, it has to devise its own.

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