## Virtual Device Driver Reference for OS/2

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### About This Book

The OS/2 Virtual Device Driver Reference defines what a virtual device driver is, how it operates, and when to use one. In addition, a description of the types of virtual device drivers, their interfaces, and the available kernel services is provided. System and application programmers can use the information found in this book to write their own virtual device drivers and subsystems.

Knowledge of a programming language (such as C or assembler) that is used for writing OS/2 applications is necessary, and the programmer must be familiar with the workings of the OS/2 operating system.