Peter Norton Programmer's Guide to the IBM PC
Introduction to Algorithms, Thomas H. Kormen.
Reference Encyclopedia for the IBM Personal Computer
Undocumented DOS, Second Edition, Andrew Shulman
The Undocumented PC, Second Edition, Frank van Gilluwe
Red Dragon Book
NCSC-TG-005: Trusted Network Interpretation
NCSC-TG-003: Discretionary Access Control in Trusted Systems
The Design and Implementation of the 4.3 BSD UNIX Operating System
C Programming in a Unix Environment, Judy Kay
Advanced Programming in a Unix Environment, Stevens
Unix Network Programming, Stevens
Code Complete, 2nd Edition, Microsoft Press
Software Estimation, Microsoft Press