如果您是经常需要定期使用命令提示符的^{(Command Prompt)}Windows高级用户，那么您会发现在^(Windows)命令提示符^{(Command Prompt)}中打开自动完成很有用。如果要使更改永久化，则必须编辑Windows 注册表^{(Windows Registry)}。

文件^(File)名完成和文件夹名完成是Windows命令处理器或 cmd.exe 的快速搜索功能。默认情况下， Windows^{(Windows –)}中未启用CMD.exe的^(CMD.exe)自动完成^{(Auto-complete)}功能 -您必须启用它。

在命令提示符^{(Command Prompt)}中启用自动完成^{(AutoComplete)}

您可以永久激活自动完成功能，也可以仅针对当前会话激活。

^(Activate)暂时在CMD中^(CMD)激活自动完成

要在CMD^(CMD)中为当前命令会话的当前用户激活自动完成功能，请打开运行^(Run)框，键入以下命令并按Enter：

cmd /f

/ /f开关启用或禁用文件和目录名称完成字符。

现在按Ctrl+D完成文件夹名称或Ctrl+F完成文件名。按住此组合键并查看文件名更改。

要停用自动完成，请键入以下内容并按 Enter：

cmd /f:off

在CMD^(CMD)中永久开启自动完成

要在命令提示符下永久启用自动完成功能，请运行regedit打开注册表编辑器^{(Registry Editor)}，然后导航到以下注册表项：

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Command Processor

您必须编辑CompletionChar值。十六进制^{(Hexadecimal)}的默认值为 40 。将^(Set)REG_DWORD的值设置为9。这将启用文件夹名称完成。

接下来，双击PathCompletionChar并将其值更改为9。

这会将TAB 键^{(TAB key)}设置为控制字符。

如果您想使用与本文第一部分中提到的用于单个命令会话的相同控制字符，请按如下方式设置值：

• 4 表示 Ctrl+D
• 6 表示 Ctrl+F

文件名自动完成功能也适用于文件夹，因为Windows将搜索完整路径并匹配文件名和文件夹名。

Go on to read more Command Prompt Tips Tricks!

How to turn on Auto Complete in Windows Command Prompt

If you are a Windows power user who frequently needs to use the Command Prompt regularly, then you find it useful to turn on auto-complete in Command Promрt. If yoυ want to make thе change permanent, you will have to edit the Windows Registry.

File name completion and folder name completion are quick-search features of the Windows command processor or cmd.exe. Auto-complete for CMD.exe is not enabled by default in Windows – you have to enable it.

Enable AutoComplete in Command Prompt

You can activate auto-complete permanently or for the current session only.

Activate auto-complete in CMD temporarily

To activate auto-complete in CMD for the current user for the current command session, open Run box, type the following command and hit Enter:

cmd /f

The /f switch enables or disables file and directory name completion characters.

Now press Ctrl+D to complete the folder name or Ctrl+F to complete a file name. Keep pressing this key combination and see the file names change.

To deactivate automatic complete, type the following and hit Enter:

cmd /f:off

Turn on auto-complete in CMD permanently

To enable auto-complete permanently in command prompt, run regedit to open the Registry Editor, and navigate to the following registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Command Processor

You will have to edit the CompletionChar value. The default is 40 in Hexadecimal. Set the value of REG_DWORD to 9. This will enable folder name completion.

Next, double-click on PathCompletionChar and change its value to 9.

This will set the TAB key as the control character.

If you want to use the same control characters that you use for a single command session as mentioned in the first part of this post, then set the values as follows:

• 4 for Ctrl+D
• 6 for Ctrl+F

The file name auto-completion feature will work on folders too, because Windows will search for the complete path and match against both file and folder names.

Go on to read more Command Prompt Tips Tricks!

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