开机自动登录linux，并自动运行X window应用程序，有其特殊的应用背景，如基于linux平台的监控系统，linux启动后不需要身份验证，而直接运行监控程序等等。本文以Redhat7.2为平台，结合linux启动过程，介绍了如何避免身份验证自动登录，并直接进入 X window自动运行应用程序。

-Auto Login boot linux, and automatically run the X window applications, has its special application background, such as monitoring system based on linux platform, linux startup does not require authentication, and direct operating control procedures. In this paper, Redhat7.2 as a platform, with linux boot process, describes how to avoid auto-login authentication, and direct access to X window automatically run the application.