Why do both windows become the same file name?

  question, vim

From the shortcut key of the graphical interface, enter gvim.

Then enter the command line and enter VS.

At this time, the left and right windows appeared.
I enter W test.html in the window on the left
Why are the left and right windows ordered to be test.html?

图片描述

First of all:vsFor a horizontally split window, see:h vs. If:vsWithout parameters, the default is to open the current buffer file in the newly split window, that is, your previous test.html. You try:vs ~/.vimrc, the. vimrc file opens in the newly split window.