在每次完整地将输入传递给CPU后，将输出磁盘及二进制焦点数据。

After each full pass of input the CPU, disk and binary focus data is printed out.

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MDC是一种索引化(indexing)类型，它通过减少访问数据时需要的磁盘读取次数，以及通过提高磁盘输入输出所需要的速度来提高性能。

MDC is a type of indexing that improves performance by reducing the amount of disk reads needed to access data, and by improving the speed of required disk input and output.

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要想显示所有tty、CPU和磁盘自引导以来的一组统计数据，输入。

To display a single set of statistics for all TTY, CPU, and Disks since boot, type.

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