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Peachpit: Setting Up Macintosh & Windows File Sharing
Follow these straightforward instructions to share files between a Macintosh computer and a Windows computer.
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Extremetech.com: A Switcher's Guide to Windows/os X
Now you can run both Mac OS X and Windows XP on the same computer! This article describes how, with an Intel-based Mac and Apple's Boot Camp software, you can explore how the "other half" operates.