Specifically, it synchronizes the state of the the screen rather than the entire byte stream that created it. When you first log in these are the same thing, bu

Specifically, it synchronizes the state of the the screen rather than the entire byte stream that created it. When you first log in these are the same thing, but they rapidly diverge since mosh knows that you really don’t care that the cursor moves in exactly the right way, and that you don’t care to see anything that has already been erased and rewritten.