Virtual Device Driver

<operating system> (VxD) A device driver under Windows 3.x/{Windows 95} running as part of the kernel and thus having access to the memory of the kernel and all running processes as well as raw access to the hardware.

VxD's usually have the filename extension .386 under Windows 3.x and .vxd under Windows 95.

VxD's written for Windows 3.x can be used under Windows 95 but not vice versa.

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virtual cache virtual circuit Virtual Circuit Identifier virtual connection Virtual Control Program Interface	Microsoft Networking VxD	Virtual Device Location virtual disk Virtual Home Environment virtual host Virtual LAN