了解逻辑文件系统和虚拟文件系统。
Understanding the logical file system and the virtual file system.
虚拟文件系统是基础物理文件系统的抽象。
The virtual file system is an abstraction of the underlying physical file system.
这个共同的文件模式就叫虚拟文件。
A virtual file is a generalized file model which allows open working between dissimilar real files.
然后，创建一个将要使用的虚拟文件系统。
这组接口的核心就是虚拟文件系统交换器(VFS)。
At the core of that set of interfaces is the virtual file system switch (VFS).
从虚拟文件返回一个流。
这个虚拟文件还显示当前与这些文件系统相关联的设备。
This virtual file also shows the devices currently associated with the file systems.
上面提到了，VNC和虚拟文件系统FUSE使其成为可能。
VNC and the virtual file systems FUSE makes possible are mentioned above.
在以前，图虚拟文件夹包含了给定模型所有图表的列表。
Previously, the Diagrams virtual folder contained a list of all of the diagrams for a given model.
获取一个值，该值指示文件是否存在于虚拟文件系统中。
Gets a value that indicates whether a directory exists in the virtual file system.
而虚拟文件系统（VFS)是内核中支持的大多数文件系统的抽象层。
The virtual file system (VFS) is the abstraction layer for the multitude of file systems that are supported in the kernel.
架构的顶层是虚拟文件系统(VFS)，它为高级应用程序提供通用接口。
At the top is the virtual file system (VFS), which presents a common interface to higher-level applications.
文件系统对象的每个唯一的装入实例通过一个虚拟文件系统结构进行表示。
Each unique mount instance of a file system object is represented by a virtual file system structure.
简介：虚拟文件系统(VFS)是一个抽象概念，它具有极其高效的用途。
Summary: a virtual filesystem (VFS) is an abstraction with surprisingly productive USES.
当然，虚拟文件系统或相似的机制可以存储状态，但是用户必须有这些系统。
A virtual file system or similar mechanism can, of course, store state-for the users who have it.
连接组——配置存储库中的虚拟文件夹，其中包含相关的连接配置。
Connection group-a virtual folder in a configuration repository containing related connection configurations.
切换虚拟文件夹的显示，该文件夹列出了在项目引用中引用的对象。
Toggles display of a virtual folder that lists objects cited in project references.
LTC小组最终采用的解决方案是创建一个虚拟文件系统来使SPU 具体化。
The solution the LTC team finally chose is to create a virtual file system to externalize the SPUs.
而进程的层次关系是通过虚拟文件系统体现出来的，因此，很容易使用。
The hierarchy is directly exposed in a virtual file-system, and hence easily accessible.
尤其重要的是，这意味着在任何识别普通文件的地方，可以按语法规则使用虚拟文件资源。
Among other things, this means that virtual file resources can be used syntactically any place ordinary files are recognized. Classic Tcl allowed this.
当您需要查找匹配某个范围的文件时，建立两个虚拟文件，它们的时间戳可以描述这个范围。
When you want to find files that match a certain range, make two dummy files whose timestamps delineate the range.
采用高津托图作为虚拟文件夹的数据存储结构，以树型结构作为文档分类的形式。
It adopts the Gozintograph as the data storage structure of virtual folder, and the tree structure as the sort form of document.
“类视图”工具栏使您可以添加虚拟文件夹并在“对象”和“成员”窗格中定位。
Class View toolbar allows you to add virtual folders and to navigate within the Objects and Members panes.
虚拟文件系统提供了一组应该支持的标准接口，以使得您的文件系统可用于AIX操作系统。
The virtual file system provides a standard set of interfaces that you should support in order for your file system to be hosted over the AIX operating system.
快速存取-这个虚拟文件系统将提供与本地Win 32API性能相当的功能函数。
Fast Access Times - the VFS should provide performance comparable with the native Win32 API Functions.
使用“类视图”可以创建虚拟文件夹以便将常用符号组织到一起，并使这些符号便于访问。
Class View allows you to create virtual folders to organize frequently used symbols and provide quick access to them.
第60- 68行：在这里我们测试虚拟文件所写内容被正确通过，同时正确的属性被设置。
Line 60-68: Here we test that the written contents of the virtual file is correctly passed and the right properties are set.
如清单1所示，由成员vfs_next指定，虚拟文件系统作为structvfs的链表进行维护。
As shown in Listing 1, the virtual file system is maintained as a linked list of struct VFS, as denoted by the member vfs_next.
虚拟文件可以向用户呈现内核中的一些信息也可以用作一种从用户空间向内核发送信息的手段。
A virtual file can present information from the kernel to the user and also serve as a means of sending information from the user to the kernel.
确保选择uml模型，因为它出现在Models虚拟文件夹之下，而不是实际的. emx文件。
Be sure to select the UML model, because it appears under the Models virtual folder, and not the actual.emx file.
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