为此，许多系统使用目录清单中的颜色，通常浅蓝色表示好链接，红色表示坏链接。

For this reason, many systems use colors in directory listings, often pale blue for a good link and red for a broken one.

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例如，如果您的终端(或模拟器)允许，那么您可以使用环境变量CLICOLOR和lscolors为ls(列出目录的内容)的输出定制颜色。

For instance, if your terminal (or emulator) is capable, you can colorize the output of ls (list directory contents) with the environment variables CLICOLOR and LSCOLORS.

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其中的content_css目录包含了，在发布的网站中定义布局及颜色的default . css文件。

The content_css directory contains the default.css file that defines layout and colors Settings in the published Web site.

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