Understanding the logical file system and the virtual file system.
了解逻辑文件系统和虚拟文件系统。
At the core of that set of interfaces is the virtual file system switch (VFS).
这组接口的核心就是虚拟文件系统交换器(VFS)。
The virtual file system is an abstraction of the underlying physical file system.
虚拟文件系统是基础物理文件系统的抽象。
The physical manifestation of a virtual machine is just a large file.
虚拟机的物理形式只是一个大文件。
As virtual machines become more and more important for companies, so do their file format.
当虚拟机对于很多企业显得越来越重要的时候，它们的文件格式也变得格外重要了。
A Virtual PC file is also available in this release.
这一发布中同样包括一个VirtualPC文件。
The VirtualHost section within the httpd.conf file or a separate virtual host config file
conf文件中的 VirtualHost部分或单独的虚拟主机配置文件
The file name is a virtual path from a virtual directory in your Web site.
文件名是网站中虚拟目录的虚拟路径。
The file name is a virtual path from a virtual directory in your Web site.
文件名是网站中虚拟目录的虚拟路径。
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