As an essential tool for users of the DEC OSF/1 operating system as well as for systems engineers interested in writing UNIX-based device drivers, Writing Device Drivers, Tutorial and Reference discusses how to write device drivers for computer systems running the DEC OSF/1 operating systems. By following the task oriented approach, the reader will acquire the skills necessary to write OSF-based device drivers. Mastery of the concepts and examples presented in Writing Device Drivers, Tutorial and Reference provides a fundamental background for writing a variety of device drivers, including disk and tape controllers, and more specialized drivers such as array processors. Provides information on designing drives, OSF-based data structures, and OSF-based kernal interfaces. Contains source code listings for the driver examples supplied on disk and a glossary of device driver related terms.