Data Center Definitions

  • S

    screen scraping

    Screen scraping is programming that translates between legacy application programs (written to communicate with now generally obsolete input/output devices and user interfaces) and new user interfaces so that the logic and data associated with the legacy programs can continue to be used.

  • server blade

    A server blade is a thin, modular electronic circuit board containing one, two, or more microprocessors and memory, that is intended for a single, dedicated application (such as serving Web pages) and that can be easily inserted into a blade server, which is a space-saving rack with many similar servers. One product offering, for example, makes it possible to install up to 280 blade server modules vertically in multiple racks or rows of a single floor-standing cabinet. Blade servers, which share a common high-speed bus, are designed to create less heat and thus save energy costs as well as space.

  • server consolidation

    Server consolidation is an approach to the efficient usage of computer server resources in order to reduce the total number of servers or server locations that an organization requires.

  • server sprawl

    Server sprawl is a situation in which multiple, under-utilized servers take up more space and consume more resources than can be justified by their workload.

  • shell

    Shell is a UNIX term for the interactive user interface with an operating system.

  • shell script

    A shell script is a text file that contains a sequence of commands for a UNIX-based operating system.

  • single point of failure (SPOF)

    A single point of failure (SPOF) is a potential risk posed by a flaw in the design, implementation or configuration of a circuit or system in which one fault or malfunction causes an entire system to stop operating.

  • skinny Linux (Austrumi, Puppy Linux Damn Small Linux and Feather Linux)

    Skinny Linux is an umbrella term that encompasses any compact version of the Linux operating system, such as Austrumi, Puppy Linux Damn Small Linux and Feather Linux. (...Continued)

  • SMP (symmetric multiprocessing)

    SMP (symmetric multiprocessing) is the processing of programs by multiple processors that share a common operating system and memory.

  • software-defined everything (SDE)

    Software-defined everything (SDE) is an umbrella term that describes how virtualization and abstracting workloads from the underlying hardware can be used to make information technology (IT) infrastructures more flexible and agile.

  • statistical mean, median, mode and range

    Calculating the mean, median, mode and range of a set of numbers allows you to track changes over time and set acceptable ranges and variance. Here's how to find your data's mean, median, mode or range, and what it tells you.

  • supervisor call (SVC)

    In computers, especially IBM mainframes, a supervisor call (SVC) is a processor instruction that directs the processor to pass control of the computer to the operating system's supervisor program.

  • SuperZap

    SuperZap is an IBM utility program used to install zaps or fixes to MVS operating systems or application program code that is causing a problem.

  • SuSE

    SuSE (pronounced soo'-sah) is a German Linux distribution provider and business unit of Novell, Inc.

  • SUSE Manager

    SUSE Manager is an open source infrastructure management tool for Linux systems.

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