Mac OS X's Column View resize widgetDid you know that you can resize a Mac OS X Finder window when you’re in Column View to fit the widest folder or file name automatically? It’s a simple keyboard shortcut, and can save you a lot of scrolling and manual resizing.

Just hold down the Option key and double click the widget at the bottom of the column divider. I love working in Column View in Mac OS X’s Finder, and this shortcut makes it easier to get a view of full file names.