If you execute a command (like a long file transfer or a recursive deletion) and realize it's a mistake while it is still running:
While there isn't a specific "undo" command in Windows Command Prompt, you can use two keyboard shortcuts to achieve similar results: windows command for undo
Because of the lack of a built-in undo, professional users often use these techniques to prevent mistakes: How to "undo" in command prompt? - windows - Super User If you execute a command (like a long