Those familiar with the UNIX grep command and its common -v option know how indispensable grep is for extracting relevant lines of text from a file.

熟悉 UNIX grep 命令及其常用 -v 选项的人知道如何将不可缺少的 grep 用于从文件提取相关文本行。

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The -v option specified with the vmstat command displays the percentage of real memory being used for different classification of pages (see Listing 1).

使用带- v选项的vmstat命令可以显示不同分页类型所使用的实际内存百分比(请参见清单1)。

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Whichever solution you use, you should get a report as each file is copied into, or out of, the archive, providing you use the v command-line option (see Listing 8).

无论使用哪一种解决方案，您将在每个文件复制到/复制出存档文件时获得相应的报告，假设您使用了 v 命令行选项（请参见 清单 8）。

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