virtual file store

基本解释

A virtual file system or similar mechanism can, of course, store state—for the users who have it.
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。
Enter a size under the SD Card entry; this is a virtual SD card that's actually an IMG file that Android will use to store your settings and files in.
在SD卡属性区输入尺码，这是一个虚拟SD卡，实质上是一个IMG文件，Android将会用它来“存储”你的设置和文件。
www.linux-ren.org
A virtual file system can be a physical file system, a network file system, or a logical file system (one that does not have a physical backing store, such as ramfs).
虚拟文件系统可以为物理文件系统、网络文件系统、或者逻辑文件系统（没有物理后备存储，如 ramfs）。