The Finder seems to remember the width and height of window that last time I open that particular folder and set such. In other words, if I opened a folder and make the window really wide, the next time (after closing it) I open that folder, the window is still very wide. This remains true even if I restarted computer, and even if I delete the .DS_store inside the root of that folder.
How to let Finder forget all previously-remembered window size of every folder in this computer? I want that every time I open a new folder, Finder always apply the default size, the setting shipped with MacBook (This is about 1/2 width and 1/2 height of the whole window).
Though this is not big deal, it somewhat annoys me that when I have widened a window for some reason, the next time I open it, I have to manually adjust it back to smaller width and height for ease of reading, or the other way round.