For example, using snapshots, I can speed up the backup and (if necessary) the recovery times when I need to modify a number of configuration files or perform an upgrade of an application.
例如，使用快照，在需要修改多个配置文件或对应用程序执行升级时，我可以加快备份和恢复速度(如果需要)。
Like user administration, it's important that you know the configuration files behind the commands that modify them.
与用户管理一样，一定要了解命令在幕后修改的配置文件。
Since we will manually modify the XML configuration files (we do some bare-handed programming!!), knowledge of how deployment plans are written for an application server is indispensable.
因为我们将手动修改 XML 配置文件（我们要进行一些全手动编程！） ，因此必须了解如何为应用服务器编写部署计划。
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