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.
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.
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.
一种以磁盘或磁带存储器为单位的文件，既可存放作业的输入数据，又可存放结果。
A single file (unit of magnetic disc or magnetic tape storage) that holds the input data for a job and to which the results are written.
一种以磁盘或磁带存储器为单位的文件，既可存放作业的输入数据，又可存放结果。
A single file (unit of magnetic disc or magnetic tape storage) that holds the input data for a job and to which the results are written.
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