This part of the book contains a number of useful lists and references.
Appendix A, contains a point-by-point list of many of the suggestions made in the text of the book.
Appendix B, is a technical discussion of how the Unix system manages processes. It also describes some of the special attributes of processes, including the UID, GID, and SUID.
Appendix C, lists books, articles, and magazines about computer security.
Appendix D, is a brief listing of some significant security tools to use with Unix, including desrciptions of where to find them on the Internet.
Appendix E, contains the names, telephone numbers, and addresses of organizations that are devoted to ensuring that computers become more secure.