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-The Shellcoder's Handbook: Discovering and Exploiting Security Holes, 2nd Edition
+1. The Shellcoder's Handbook: Discovering and Exploiting Security Holes, 2nd Edition
+2. [Operating Systems Principles by Galvin,Silberschatz](http://www.uobabylon.edu.iq/download/M.S%202013-2014/Operating_System_Concepts,_8th_Edition%5BA4%5D.pdf)