The editing functionality means that you can go forward and backward through the command line currently displayed to make changes and correct typos.

编辑功能意味着您可以在当前显示的命令行中向前和向后移动，以做出更改或纠正输入错误。

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But you can often do an editing job at the command line more quickly than it takes to open the file in a text editor.

但是与在文本编辑器中打开文件相比，您通常可以在命令行更快地完成编辑工作。

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Before looking at editing the command line with KSH, you must set up your environment.

在介绍如何使用ksh编辑命令行之前，必须设置您的环境。

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