数据库任务组规范提出了一种操作文件的语言。

The DBTG specification proposed a language for manipulating the files.

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捕获操作文件可能导致的任何异常。

Catch any exceptions that could be caused by manipulating files.

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您需要了解操作文件的Perl命令。

You need to be aware of any Perl commands that manipulate files.

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So thankfully, modern operating systems allow you to put parts of files here, parts of your file here, parts of your file here, but the end result is that your files get fragmented.

因此，谢天谢地，现代操作系统允许你,把这里的文件进行分块，在这里存一部分，在那儿存一部分，但最后的结果是你的文件变成了分片的。

哈佛公开课 - 计算机科学课程节选

The operating system still finds it but this process of getting some of your files bits from here, some from here, some from here, induces a potential slow down.

操作系统根据文件块的地址,仍旧能够找到这一整个文件，这也导致了潜在速度变慢。

哈佛公开课 - 计算机科学课程节选