UNIX clearly explained

This book is a comprehensive introduction to the use and programming of the UNIX operating system. It focuses on the complete range of UNIX topics including shells and files, networks and the Internet, filters, programming, standard editors, and system administration. The text introduces UNIX in three phases. The first section is a tutorial orientation to the UNIX environment. The examples are meant to be simple and assume no prior knowledge. In the second part, readers move into essential uses of UNIX to accomplish everyday tasks. Finally, the book wraps up with advanced topics and interviews of specific applications, giving readers a core level of understanding to successfully work in the UNIX environment.