Hello cyro272,
We'd like to provide some information on keyboard shortcuts that may help.
This page outlines common shortcuts, and may be helpful: Mac keyboard shortcuts
• Command-Z: Undo the previous command. You can then press Shift-Command-Z to Redo, reversing the undo command. In some apps, you can undo and redo multiple commands.
If you want to disable or change a keyboard shortcut, please check out this link, which will guide you through that process: Use macOS keyboard shortcuts
Disable a keyboard shortcut
Sometimes an app’s keyboard shortcut conflicts with a macOS keyboard shortcut. If this happens, you can disable the macOS keyboard shortcut.
1. On your Mac, choose Apple menu
> System Preferences, click Keyboard
, then click Shortcuts.
2. In the list on the left, select a category, such as Mission Control or Spotlight.
3. In the list on the right, deselect the checkbox next to the shortcut that you want to disable.
Thanks!