Books like this rarely appear on store shelves, since they are backed by many years of experience of their authors. It describes good Unix programming style, the variety of programming languages available, their advantages and disadvantages, various IPC techniques and development tools. The author analyzes the Unix philosophy, culture and basic traditions of the community formed around it. The book explains best practices for designing and developing programs on Unix. At the same time, the models and principles described in the book will be of great use to Windows developers. Particular attention is paid to user interface styles of Unix programs and tools for their development. A separate chapter is devoted to a description of the principles and tools for creating good documentation. The book will be useful for a wide category of PC users and programmers.