Over at Macworld, Glenn Fleishman recounts what it was like to upgrade to Lion at an Apple Store, something that people without sufficient bandwidth might consider doing. The moral of the story? Bring an iPad or a book and plan to spend a few hours at the task. follow link
Adjust Multiple Column Sizes Simultaneously
Within the Finder, Column View enables you to see folder hierarchies, with each subsequent level getting its own column. Dragging on the double lines at the base of a column divider changes the preceding column's width. But Option-drag on any divider, and all the columns in the window change to the same width.
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Upgrading to Lion at an Apple Store
Check out the Take Control ebooks that expand on the topic in this article: