1. Banker files can have file extensions of JPEG, SCR, GIF, CPL, VXD, PIF, or MP3.

2. The name "VxD" is an abbreviation for "virtual xxx driver", where "xxx" is some class of hardware device.

3. Device driver access in WDM is actually implemented through a VxD device driver, NTKERN.VXD which implements several Windows NT-specific kernel support functions.