If you already own the book, please check the errata section from time, as it is a continuously updated lists of known errors. If you believe to have found a new error, please report it by clicking here and filling out the form as best as you can.

The changelog page describes the changes that have been made to the kernel since the book was published.

Of course, we also like to hear positive comments or any other suggestions you might have. Please feel free to drop us an email. You can find our contact information in the authors section.

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