While your personal computer only keeps one copy of a file, large-scale services like Facebook rely on what are called content delivery networks to manage data and distribution.
虽然你的个人电脑只能保存一个文件的一个副本，但像Facebook 这样的大型服务项目，则会依赖于所谓的内容分发网络来管理数据和分发。
One file describes the interface to your service, while the other file describes your implementation of it.
一个文件描述到您的服务的接口，而另一个文件描述这个接口的实现。
While the file system implementation is anything but trivial, it's a great example of a scalable and extensible architecture.
尽管文件系统的实现并不复杂，但它是可伸缩和可扩展的体系结构的好例子。
For one thing, it looks like it is probably designed to update one file system while running from the other, to make updates safe.
首先，它好像是设计用来更新一个文件系统，同时在另外一个文件系统上运行，这样能使更新更加安全。
The major difference is that links provide multiple names for a single file, while a copy creates two sets of identical data under two different names.
两者的主要区别在于，链接为一个文件提供多个名称，而制作文件副本会创建两套名称不同的相同数据。
While the individual certified file size is 64gb, development tests run with 50,000 + databases on a single server.
虽然支持的每个文件的大小为64gb，但是开发测试在一个服务器上运行了50,000多个数据库。
One program can create multiple XML business logic data files and match multiple XSL files, while one XSL file can be applied to multiple programs to transform their XML data files.
一个程序可以创建多个XML业务逻辑数据文件，并与多个XSL文件相匹配，而一个 XSL 文件可以应用于多个程序以转换它们的 XML 数据文件。
The segments contain information necessary for runtime execution of the file, while sections contain important data for linking and relocation.
段 中包含文件的运行时执行所需要的信息，而区段 中包含用于链接和重定位的重要数据。
Code folding allows you to collapse sections of a source-code file while working in other parts of it.
代码折叠允许在处理源代码文件的某些内容时折叠其他部分的源代码。
In the next example, we will show a couple ways to look at these and how to create the ZIP file structure while creating ZIP files.
在下一个示例中，我们将展示几种方法查看这些功能并了解如何在创建ZIP文件的过程中创建ZIP文件结构。
The complete schema is reproduced in Appendix a, while a sample configuration file is reproduced in Appendix B.
在附录A中重现了完整的模式，而在附录B中重现了样本配置文件。
With the file system in place, create a new directory under which you can mount the new file system while the data is copied.
创建了文件系统之后，在对数据进行复制时，需要在进行载入的新文件系统中创建一个新的目录。
As we said earlier, the key file contains the private keys, while the trust file contains the signing keys.
正如我们前面所说的，密钥文件包含私钥，而信任文件包含签名密钥。
While there are tons of file system types, there are only three kinds of partitions: primary, extended, and logical.
虽然文件系统很多种，但分区类型只有三种：主分区，扩展分区，逻辑分区，其中逻辑分区是在扩展分区中的。
As described in previous sections, the plug-in loads all artifacts needed during runtime from an initialization file while the client is launching.
正如前面提到的，这个插件在客户机启动时从初始化文件装载所需的所有工件。
CIFS allows multiple clients to access and update the same file, while preventing conflicts with sophisticated file sharing and locking semantics.
在使用完善的文件共享和锁定语义来防止冲突的同时，CIFS允许多个客户端对同一个文件进行访问和更新。
Some commands manipulate the file system, while others query and control the operating system itself.
其中一些命令可以操作文件系统，而其他的命令则用于查询并控制操作系统本身。
On a standard UNIX filesystem, you can delete a file while it's still open for reading or writing.
在标准的UNIX文件系统中，您可以在文件打开或写入的时候删除它。
Monitoring applications may read event data from deleted monitor files while the file descriptor for the monitor file is still open but may not block for further event occurrences.
在监视器文件的文件描述符仍然打开的情况下，监视应用程序可以从删除的监视器文件读取事件数据，但是不再继续等待事件发生。
As we mentioned in the previous section, instance level configuration can be done in the DBM CFG file while the database level configuration is done in the DB CFG file.
在前一节中已经提到，实例级的配置可以在DBMCFG文件中完成，而数据库级的配置在DB CFG文件中完成。
As indicated in Figure 3, the client loads a customizable initialization file while launching (1).
如图3所示，客户机在启动时装载一个可定制的初始化文件(1)。
And while loading a file three directories down and one directory over doesn't take much time, finding that file sure can.
而且，将一个文件向下加载三个目录和向上加载一个目录不会耗费太多时间，查找此文件却需要很多时间。
The snapshot remains stable while the original file system is still being modified.
快照会在修改原始文件系统期间保持稳定。
While you're editing the file, you might want to simplify the table's layout as well.
在编辑文件时，也可以简化表布局。
While the dots file provides basic shape and coordinate information, we need to use ImageMagick to draw the identifiers on the building blueprint image.
虽然dots文件将提供基本的图形和坐标信息，但是我们仍然需要使用ImageMagick在建筑物设计图图像上绘制标识符。
Data file. Because one team member modified the data file while another team member modified the artifact, the artifact shows as a pending change.
因为当一个团队成员编辑数据文件，同时其他的团队成员编辑工件时，工件会作为暂停的变更来显示。
For example, while the export file contains complete information about each task's work products, those are not currently converted into work products in Portfolio Manager.
例如，虽然导出文件包含了每个任务的工作产品的完整信息，但是目前他们还没被转化为PortfolioManager中的工作产品。
You can update an existing static page by uploading a modified HTML file while preserving the portlet customization on that page.
您可以在保证页面上的portlet定制的同时，通过上传一个更改后的HTML文件，来更新一个已经存在的静态页面。
You will fall into one of them when you memory map a file and then call write while another process truncates the same file.
例如，考虑一下在内存中对文件进行映射后调用write，与此同时另外一个进程将同一文件截断的情形。
The tag tap:aio is used to represent a logical disk based on the image file, while the tag phy represents a physical disk.
标记tap:aio用于表示基于镜像文件的一个逻辑磁盘，而标记phy表示一个物理磁盘。
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