FAQ Glossary
Unix
a family of multitasking, multiuser computer operating systems.
UPS
Uninterruptible Power Source - an electrical apparatus that provides emergency power to a load when the input power source, typically mains power, fails.
UUID
Universally Unique Identifier - an identifier standard used in software construction. A UUID is simply a 128-bit value. The meaning of each bit is defined by any of several variants.
VFX
Visual Effects - the processes by which imagery is created and/or manipulated outside the context of a live action shot.
VG
Volume Group
VOD
Video on Demand - systems which allow users to select and watch/listen to video or audio content when they choose to, rather than having to watch at a specific broadcast time.
WAN
Wide Area Network - A far-reaching computer network, typically with access to the greater Internet
WORM
Write Once - Read Many - a data storage device in which information, once written, cannot be modified. This write protection affords the assurance that the data cannot be tampered with once it is written to the device.
WWN
World Wide Name - A unique identifier assigned to Fibre Channel target device. WWN is a 64-bit identifier. It is vendor-supplied information that is written into the programmed memory of the device itself. WWN — is the combination of the node name (World Wide Node Name, WWNN) and the port name (World Wide Port Name, WWPN).
WWNN
World Wide Node Name - Name assigned to a node (an endpoint, a device) in a Fibre Channel fabric. It is valid for the same WWNN to be seen on many different ports (different addresses) on the network, identifying the ports as multiple network interfaces of a single network node.