Warty, iMac and the @ key...

[César Espino]

The next paragraph is taken from the ubuntu wiki page,
http://www.ubuntulinux.org/wiki/FrequentlyAskedQuestions,
hope it works for you:

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I have an iBook without an Alt-Gr key. How can I enter special
characters like "~@{[]}"?
1. Computer -> Desktop Preferences -> Keyboard
2. "Layout Options" tab
3. In the right-hand list open the "Third level choosers" group
4. Highlight "Press Left Win-key to choose 3rd level"
5. Click "Add"

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