Use df, with the -i command-line option, to get the inode statistics or, on traditional UNIX systems, the bare df output shows the number of 'files' created.
可以使用带- i命令行选项的df命令获取索引节点的统计信息，或者在传统的UNIX系统中，不带参数的df可以输出创建“文件”的数目。
And now I have a relation between df and dt.
现在得到了df和dt的关系。
If the ambulance radio is on, I can use a DF sweep to find it. Good.
如果那辆救护车的无线电开着，我可以用频率探测器找到它。很好。
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