For example, you can write your own Perl program to parse the output from the Linux top tool.

例如，您可以编写您自己的Perl程序来解析Linux top工具中的输出。

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The top tool shows the CPU usage of individual processes; for example, in the previous sample, you can see that you are compiling a number of files and how much CPU they are using.

top 工具显示了各个进程的 CPU 使用情况，例如，在前面的示例中，可以看到正在编译大量的文件以及它们使用 CPU 的比例。

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The Web in general is powerful recruiting tool for top U.S. schools, says Judith Aaron, vice president for enrollment at Pratt.

FORBES: Creative Koreans

Atlantic Basin (Western) plays are little more than a tool to exact top prices in prime Asian markets.

FORBES: Doha's Double Hedge

The tool then displays the top 25 countries that best fit those values.

BBC: Planning life as an expat