DMCA Notice – Infringement of John Wiley & Sons, Inc.’s Copyrights To Whom It May Concern: I, the undersigned, CERTIFY UNDER PENALTY OF PERJURY that I am an agent authorized to act on behalf of the owner of certain intellectual property rights, said owner being named John Wiley & Sons, Inc., a global publisher of books, journals, and other products, or one of its related companies ("Wiley"). We recently learned that an unauthorized copy of the material listed below is available as an unauthorized download on a website hosted by your company at the following URL address: https://github.com/yuanhui-yang/Operating-System-Concepts/blob/master/Operating%20System%20Concepts%20-%209th%20Edition.pdf https://github.com/yuanhui-yang/Operating-System-Concepts/raw/master/Operating%20System%20Concepts%20-%209th%20Edition.pdf https://github.com/yuanhui-yang/Operating-System-Concepts/commit/d9f515619e3ebb601cef5dacf3a56b98a44d4649 The material is as follows: Operating System Concepts, 9th Edition (ISBN: 978-1-118-55961-1) by Abraham Silberschatz I have a good faith belief that the information in the notice is correct and that the use of the title(s) identified above is not authorized by Wiley, its agent, or the law and therefore constitute a serious infringement of, inter alia, Wiley's copyrights. We understand that many responsible ISPs inadvertently infringe the copyrights of others, and that this may be one such case. Accordingly, we will forbear legal action against your company provided that you remove or block access to the infringing matter within 48 hours of the time and date of this e-mail. Thank you in advance for your cooperation. Sincerely, [private] John Wiley & Sons, Inc. 111 River Street, Mail Stop 9-01 Hoboken, NJ 07030 Phone: [private] / Fax: [private] E-Mail Address: [private] My name, typed above, constitutes an electronic signature under Federal law, and is intended to be binding.