This command returns the HTTP header, as shown in Listing 4.

这个命令返回http头，如清单4所示。

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bracketing. The latter solution is supported in a very simple fashion when you write the probes and generate a header file using the dtrace command.

当编写探测并使用 dtrace 命令生成头文件时，以一种非常简单的风格支持后一个解决方案。

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The column command allows formatting of column values as well as modifying column attributes such as header text, width, and so on. Listing 1 provides an example of column command syntax.

COLUMN命令允许对列值进行格式化，也允许修改列属性，例如页眉文字、宽度等等。

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Jermaine Beckford saw a shot blocked as Everton took command, and he soon glanced in a header for the second.

BBC: Scunthorpe 1-5 Everton

The leaders were now in command and Smith added a delicious second when his deft header from a delicious outside-of-the-foot pass from Taarabt found its way in at the far post.

BBC: Coventry 0-2 QPR

At the other end, Schmeichel had to tip a Sears drive over the bar, but Leeds were in total command by this point and Howson underlined that with his second, a back-post header after a Gradel cross.

BBC: Sport - Football - Scunthorpe 1-4 Leeds