virtual device driver

Windows 9x VxD

What is a Virtual Device Driver, And How Do They Work?

In older Microsoft Windows operating systems, the virtual device driver was a program that enables shared access to computer resources in protected mode. Shared access to computer resources by multiple applications is only possible...

Windows NT Device Drivers

Windows NT Device Drivers

Device Driver Types There are several different types of Windows NT device drivers, and understanding these driver types can help you assess which drivers you need and which type you prefer. Device drivers for...