Final answer:
The key combination typically used to cancel a command in many programs and operating systems is Ctrl + C. However, this might vary depending upon the specific software or programming environment.
Step-by-step explanation:
The key combination used to cancel a command typically varies depending on the software you are using. However, in many programs and operating systems, the key combination Ctrl + C is used to interrupt or 'cancel' a command or process. For example, in a Windows Command Prompt, if you're running a script or a command that's taking too long, you can press Ctrl + C to terminate it. Therefore, the correct choice from your given options would be d) Ctrl + C.
The key combination typically used to cancel a command in many programs and operating systems is Ctrl + C. However, this might vary depending upon the specific software or programming environment.
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