You can also use a symbolic link as another way of specifying the device name when mounting a device.

安装一个设备时，您也可以使用一个符号链接来作为另外一种指定设备名的方式。

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The above rule says: match a device which was named by the kernel as hdb AND where the driver is ide-disk. Name the device node with the default name and create a symbolic link to it named sparedisk.

上面规则意思是：匹配一个内核命名为hdb以及驱动为ide-disk的设备，命名设备节点为缺省名字,同时创建一个指向它的名为sparedisk的符号链接。

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Symbolic name — Symbolic (human-readable) name of the device — an arbitrary name that the caller specifies, such as xi50e.

Symbolic Name—设备的符号名(人们可读)—调用程序随意指定的一个名称，比如xi50e。

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