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).

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本月的专栏文章不是关于Linux虚拟文件系统交换器的，该交换器将文件系统驱动程序分派给ext2、ext3、reiserfs等等。

This month's column is not about the Linux virtual filesystem switch, which dispatches filesystem drivers for ext2, ext3, reiserfs, and so on.

youdao

交换器的运作速度比桥接器更高且能支援新的功能，诸如虚拟区域网路。

Switches operate at much higher speeds than bridges and can support new functionality, such as virtual LANs .

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