Why were Ctrl-Z and Ctrl-Y chosen as undo/redo shortcuts?

It is likely based on the key position of other commonly used actions (cut, copy, paste) on the keyboard. Likely it all boils down to placement on a QWERTY keyboard.

1. Why is Ctrl Y Redo?
2. What does Ctrl Z stand for?
3. What is the shortcut for redo and undo?

Why is Ctrl Y Redo?

Alternatively written as Control+Y and C-y, ^y, Ctrl+Y is a keyboard shortcut often used to redo an action reversed using the undo command. For example, if you used the Ctrl+Z shortcut to undo what you thought was a mistake, but realize it wasn't, you could press Ctrl+Y to redo the previous action.

What does Ctrl Z stand for?

Updated: 03/13/2021 by Computer Hope. Alternatively called Control+Z and C-z, ^z, Ctrl+Z is a keyboard shortcut often used to undo the previous action. Tip. Most programs that support the Ctrl+Z keyboard shortcut allow you to use it multiple times.

What is the shortcut for redo and undo?

To undo an action, press Ctrl + Z. To redo an undone action, press Ctrl + Y.