Here is Justin’s top 5 UNIX security books.
| Title | Author | ISBN |
| Practical UNIX and Internet Security | Garfinkel and Spafford | 1-56592-148-8 |
| UNIX System Security | David Curry | 0-201-60640-2 |
| The UNIX Programming Environment | Kernighan and Pike | 0-13-937681-X |
| UNIX & Linux System Administration Handbook | Nemeth et al | 0-13-151051-7 |
| Building Internet Firewalls | O’Reilly and Assoc | 1-56592-124-0 |