I don’t dare to keep the skills I learned through computer studies, so I’ll share them with you.
In previous operating systems, if the renamed folder had the same name as an existing folder, the system would reject the rename operation. However, in W7, you can merge folders by deliberately renaming them with the same name as an existing folder.
For example, there are two folders named 1 and 2 in the D drive. Now you want to move all the files in the 1 folder to the 2 folder and delete the 1 folder; then you can do this in W7 : Rename folder 1 to 2. In the pop-up "Confirm Folder Replacement" dialog box,