Users Guide

utility programs
A computer program in general support of the processes of a computer; for instance, a diagnostic
program.
uv
Under voltage.
V
VOLSER
Volume serial number.
volume
A certain portion of data, together with its data carrier, that can be handled conveniently as a unit.
VPD
Vital product data. The information that is contained within the tape drive that requires nonvolatile
storage that is used by functional areas of the drive, and information that is required for
manufacturing, RAS, and engineering.
W
word
A character string that is convenient for some purpose to consider as an entity.
World Wide Node Name (WWNN)
A unique character string which identies Fibre Channel Host Bus adapters (HBA).
WORM
Write Once Read Many.
Write
Write command.
WT
World trade.
WWCID
Worldwide Cartridge Identier.
WWN
Worldwide Name.
WWNN
Worldwide Node Name.
WWPN
Worldwide port name.
X
XR
External register.
XRA
External register address register.
Glossary
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