Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Why, when I move (using mouse) one folder into another, instead of moving, copying process starts? How to fix it?
OS X El Capitan
Folders are located on an external drive, GUID partition scheme, connected via USB.
Hold the Cmd ⌘ key as you drag.
This will reverse the default behaviour of 'move to same drive, copy to another'