The Origins of Ctrl+C, Ctrl+V, Ctrl+X, and Ctrl+Z Explained
We use them dozens of times a day: The Ctrl+Z, Ctrl+X, Ctrl+C, and Ctrl+V shortcuts that trigger Undo, Cut, Copy, and Paste. But where did they come from, and why does Windows use those particular keys for those functions? We’ll explain.
Source: howtogeek.com