Introduction - If you have any usage issues, please Google them yourself
This book has a comprehensive introduction of programming interface UNIX system call- interface and standard C library provides many functions. The book before chapter 15 focuses on the theoretical knowledge, main contents include the UNIX files and directories, process control, the process of environment, inter-process communication and the I/O. On this basis, the chapter multiple applications, including how to create the database function PostScript printer driver, modems dialer and pseudo terminal operation in other programs, etc. This rich content, clear concept and insightful, authorities have been known as the "bible" UNIX programming, for all the UNIX programmer- both beginners or expert professionals- is an invaluable reference books.