CEH Certified Ethical Hacker Study Guide
Kimberly Graves
Information Doesn't Want to Be Free: Laws for the Internet Age
Cory Doctorow & Amanda Palmer & Neil Gaiman
Ethical Hacking and Countermeasures: Secure Network Infrastructures
Ec-Council
Learning Puppet 4
Jo Rhett
Operating System Concepts, 9th Edition
Abraham Silberschatz
Operating System Concepts (1)