Step 1: Select an operating system entry.

第1步：选择某个操作系统项。

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PAM is an authentication mechanism that enables system entry services such as login, rlogin, and Telnet to be customized to incorporate changes required for an application.

PAM是一种认证机制，它允许根据应用程序要求的变化定制一些系统入口服务，例如login、rlogin和telnet。

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Second, an operating system entry is created that specifies the operating system image and references the RAMDISK device object (by its globally unique identifier, or GUID).

其次，操作系统项，将创建指定的操作系统映像和引用 RAMDISK 设备对象 （通过其全局唯一标识符或 GUID）。

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However, EIS President Susan Quinn said it was important not to make the entry system too rigid.

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Argentina's Guillermo Canas, currently ranked 16th in the entry system, will make his first appearance on the Queen's Club grass.

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This lab, like most others, is barred with a biometric entry system on which only CS students are registered and no one else can enter.

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