OS X Mountain Lion: The Missing Manual

Moving and Copying Icons

In OS X, there are two ways to move or copy icons from one place to another: by dragging them and by using the Copy and Paste commands.

Copying by Dragging

You can drag icons from one folder to another, from one drive to another, from a drive to a folder on another drive, and so on. (When you’ve selected several icons, drag any one of them; the others tag along.) As you drag, you see the ghostly images of all the selected icons moving with your cursor. And the cursor itself sprouts a circled number that reminds you how many files you’re moving.

Tip

You can tell that the copying is under way even if the progress bar is hidden. In Mountain Lion, a tiny progress bar appears right on the icon of the copied material in its new home. You can cancel the process either by pressing ⌘-period or by clicking the in the progress window.

GEM IN THE ROUGH: Smart Handling of Identically Named Icons

What if you’re dragging a file or folder into some window—and there’s already a file or folder there with the same name?

In operating systems in days of yore, a warning message appeared. It let you Stop (the whole operation) or Replace (the existing items with the ones you were moving).

Mountain Lion is just a little bit smarter. It offers a third option: Keep Both.

For example, if you drag or paste files of the same name, you’re offered a button called Keep Both Files. If you click it, ...