It's rare that anyone at Microsoft talks publicly about Windows 7, the next version of Windows. It's even rarer that anyone provides actual information about what might be inside the operating system, which is still in the planning stages.
However, Microsoft has posted a video of a recent university lecture given by Distinguished Engineer Eric Traut in which he talks about, among other things, a new, slimmed down kernel known as MinWin that was created as part of the Windows 7 development process. .
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