U - Definitions

  • U

    U (measurement)

    A U is a standard unit of measure for designating the height in computer enclosures and rack cabinets.

  • Ubuntu

    Ubuntu (pronounced oo-BOON-too) is an open source Debian-based Linux distribution. Sponsored by Canonical Ltd., Ubuntu is considered a good distribution for beginners. The operating system is intended primarily for personal computers (PCs) but can also be used on servers. The word "ubuntu" is from the African Zulu language and translates as "humanity to others." (Continued...)

  • uninterruptible power supply (UPS)

    An uninterruptible power supply (UPS) is a device that allows a computer to keep running for at least a short time when the primary power source is lost. It also provides protection from power surges.

  • Unix

    Unix -- often spelled UNIX, especially as an official trademark -- is a multi-user operating system designed for flexibility and adaptability.

  • Uptime data center tier standards

    The Uptime data center tier standards are a standardized methodology used to determine availability in a facility. The tiered system, developed by the Uptime Institute, offers companies a way to measure return on investment (ROI) and performance. (Continued...)

  • Uptime Institute, Inc.

    The Uptime Institute, Inc. is a consortium of companies devoted to maximizing efficiency and uptime in data centers and IT (information technology) organizations... (Continued)

  • utility computing

    Utility computing is a service provisioning model in which a service provider makes computing resources and infrastructure management available to the customer as needed, and charges them for specific usage rather than a flat rate.

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