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We also provide you a PDF file that has color images of the screenshots/diagrams used in this book. The color images will help you better understand the changes in the output. You can download this file from: https://www.packtpub.com/sites/default/files/downloads/9888OS_ColoredImages.pdf

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You can contact us at <[email protected]> if you are having a problem with any aspect of the book, and we will do our best to address it.