This is a short list of books that can be consulted to gather additional information on topics mentioned in this manual:

A. V. Aho, B. W. Kernighan, P. J. Weinberger, Awk - a pattern scanning and processing language

for a detailed explanation of extended regular expressions

B.W. Kernighan, D. M. Ritchie, The C programming language, second edition

for the format string used by PFORMAT (same used by printf), the description of control structures, several fundamental information on programming

P. Grogono, Programming in Pascal

for an introduction to structured programming

L. Colussi, Lezioni di teoria della programmazione

for an introduction to top-down programming

Niklaus Wirth, Algorithms & Data Structures

for a description of algorithms and concepts behind AVL trees

Elena Lodi, Giuliano Pacini, Introduzione alle strutture dati

for a formal introduction to several data structures, including AVL trees

B.W. Kernighan, R. Pike, The UNIX Programming Environment

for information about the Unix™ operating system

Microsoft Press, The Microsoft Ms-Dos Operating System version 6.0 - Operating guide and reference manual

for information about Ms-Dos™ operating system

Microsoft Knowledge Base, Windows 95: basic concepts

for information about Windows 95™ operating system

Hewlett Packard Press, PCL 5 Printer Language Technical Reference Manual

for information about TIFF and RLE compression schemes

M.J. Bach, The design of the Unix Operating System

for information about file attributes and an in-depth analysis on the Unix™ operating system

A.Albano, Basi di dati - Strutture e algoritmi

for information about hashing and indexing

A.S.Tanenbaum, I moderni sistemi operativi

for a comparison between Ms-Dos™ and Unix™ operating system

A. Silberschatz, P.B. Galvin, Operating systems concepts

for an introduction to files, directories and the Unix™ and Ms-Dos™ interface

A.V. Aho, R. Sethi, J.D. Ullman, Compilers - Principles, Techniques and Tools

for information about compilers, tokens and several strategies implemented in Proteus

C. Ghezzi, A. Fuggetta, S. Morasca, A. Morzenti, M. Pezzè, Ingegneria del software - Progettazione, sviluppo e verifica

for an introduction about program design and development