What is the difference between Event Sourcing and the Command Pattern here? For decades the Undo/Redo functionality has been implemented by the Command Pattern

What is the difference between Event Sourcing and the Command Pattern here? For decades the Undo/Redo functionality has been implemented by the Command Pattern it seems. And looking at what Event Sourcing is, it looks a lot like the Command Pattern which purpose is to encapsulate into an object a side-effect performed on some data structure. That object can then be executed at a later time, reverted, logged, etc...