站点上通常都含有那些搜索引擎没必要建立索引的页面，例如脚本目录中的文件、管理页面和错误页面等等。

Usually on a site, there are pages that are not useful for a search engine to index, such as files in the scripts directory, administrative pages, error pages, and so on.

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当跟踪和维持历史的时候必须注意版本和管理文件以及目录。

Version and manage files and directories while tracking and maintaining history.

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文件和目录管理” 中，您学习例如如何使用 find 命令根据名称、修改时间、大小或其他特征查找文件。

In the article " Learn Linux, 101: File and directory management," you learn how to use the find command to find files by name, modification time, size, or other characteristics.

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