The only thing I know about MAC is that you can't drag and drop over a folder because instead of adding the  new contents to the folder like a PC does, a MAC replaces it with the new stuff.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi