But you can easily extend the root file system.

但是，可以轻松地扩展根文件系统。

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Extend the file system with additional LUNs.

用更多的LUN扩展文件系统。

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Similarly, if you type type, a space, and then click Tab, fish displays a list of built-ins and functions that extend which utilities are available to you on the file system.

同样，如果输入type和一个空格，然后按tab, fish会显示内置函数的列表，这些函数扩展文件系统上可用的实用程序。

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