The command prompt found on Windows 7 and Windows 8 is very similar to the interface of what past operation system.

What does your text say? Certainly, if you're truly taking a course in all this, you have a text!

vista, xp

To find the answer to this question, you can start by doing a quick search on the internet. Here's how you can do it:

1. Open your preferred web browser (e.g., Google Chrome, Mozilla Firefox).
2. In the search bar, type in "Windows command prompt interface similar to past operating systems."
3. Hit the Enter key or click on the search icon to initiate the search.
4. Look through the search results for relevant information.

In this case, the command prompt found on Windows 7 and Windows 8 is similar to the interface of a past operating system called MS-DOS. MS-DOS (Microsoft Disk Operating System) was an operating system used in early personal computers and is known for its command-line interface. Therefore, the answer to your question is MS-DOS.