Definitions containing the term disk

What does disk mean?

UMD	Universal Media Disk Computing » Security
UDF	Universial Disk Format Miscellaneous » Unclassified
UDD	User Data Disk Computing » Hardware
VERIFY	Verify data written to disk Computing » DOS Commands
VCD	Video Compact Disk Computing » Hardware
VCD	Video Compact Disk Community » Media
VDR	Video Disk Recorder Community » Media
VD	Virtual Disk Computing » General
VDJ	Virtual Disk Jockey Computing » Software
VDJ	Virtual Disk Jockey Community » Media
VDJ	Virtual Disk Jockey Business » Positions
VDS	Virtual Disk Service Computing » Drivers
VDS	Virtual Disk Support Miscellaneous » Unclassified
VDU	Virtual Disk Utility Computing » Software
VHD	Virtual Hard Disk Computing » Drivers
VSD	Virtual Shared Disk Computing » Networking
WOAD	Website On A Disk Miscellaneous » Unclassified
WDRT	Whole Disk Recovery Token Computing » Security
WCDE	Wilson Compact Disk Player - Extra Business » Products
WDJA	World Disk Jockey Alliance Community » Music