UNIX Publications

Garfinkel, Simson, Gene Spafford, and Alan Schwartz. Practical UNIX and Internet Security, 3rd Edition. O'Reilly & Associates, Inc, 2006.

Nemeth, Evi, Garth Snyder, Trent R. Hein, and Ben Whaley. UNIX and Linux System Administration Handbook (4th Edition) Pearson Education, Inc. 2010.