What is this history window in vim called?

问题

Sometime when I execute a vim command, a history like window appears out of nowhere. Anyone knows what it does, what it's called and how to make it appear?

回答1:

It is called the command-line window

:h command-line-window

You can bring it via <c-f> while on the prompt or q: in normal mode

:h q:

来源：https://stackoverflow.com/questions/16110480/what-is-this-history-window-in-vim-called