By default Terminal.app has a keybinding for ⌘+↑ that scrolls the screen back to (and briefly highlights) the previous command prompt. (This seems to be independent of shell although I've only tried a couple. I'm using bash.)
I'm trying to get similar behavior in iTerm2, but I haven't found a mapping that does that. None of the search terms I've tried in iTerm2's list of key mappings suggest anything like this function. The iTerm2 mapping preset called Terminal.app Compatibility causes ⌘+↑ to scroll through previous commands, the same way ↑ does, rather than the window scrolling back to the lines on which previous commands were input.
Based on this answer to a similar question, I looked through the output of bind -p and see entries "\e[A": previous-history and "\e[B": next-history, but these seem to be describing the scrolling through previously-entered commands rather than scrolling through the entire terminal window output to the prompt at which the command was input. These are the only bind -p entries that refer to up or down arrows (if my assumption is correct that [A refers to the up arrow, which I determined with xxd -psd as suggested in this answer.
Is this behavior in Terminal.app the result of a key binding? Or, how would I determine whether it is or not? And is there a way to get iTerm2 to duplicate this behavior?
With shell integration installed, iTerm2 creates a "mark" at each prompt, and the default shortcut for moving to the previous mark is ⌘+⇧+↑.