Data center servers Definitions

  • B

    boot loader (boot manager)

    A boot loader, also called a boot manager, is a small program that places the operating system (OS) of a computer into memory...

  • Bourne shell

    The Bourne shell is the original UNIX shell (command execution program, often called a command interpreter) that was developed at AT&T. Named for its developer, Stephen Bourne, the Bourne shell is also known by its program name, "sh". The shell prompt (character displayed to indicate readiness for input) used is the "$" symbol. The Bourne shell family includes the Bourne, Korn shell, bash, and zsh shells.

  • BSD (Berkeley Software Distribution)

    BSD (originally: Berkeley Software Distribution) refers to the particular version of the UNIX operating system that was developed at and distributed from the University of California at Berkeley.

  • C

    Calibrated Vectored Cooling (CVC)

    Calibrated Vectored Cooling (CVC) is an air-cooling technology developed by IBM for server systems with high component density.

  • chmod (change mode)

    In a UNIX-based operating system, chmod (change mode) is a command used by a file owner or administrator to change the definition of access permissions to a file or set of files.

  • CICS (Customer Information Control System)

    CICS (Customer Information Control System) is an online transaction processing (OLTP) program from IBM that, together with the COBOL programming language, has formed over the past several decades the most common set of tools for building customer transaction applications in the world of large enterprise mainframe computing.

  • Cisco Catalyst Blade Switch 3020

    The Cisco Catalyst Blade Switch 3020 is a switch designed for the Hewlett-Packard (HP) BladeSystem c-Class of blade servers... (Continued)

  • cluster computing

    In computers, clustering is the use of multiple computers, typically PCs or UNIX workstations, multiple storage devices, and redundant interconnections, to form what appears to users as a single highly available system.

  • CMDB (configuration management database)

    A configuration management database (CMDB) is a database that contains all relevant information about the hardware and software components used in an organization's IT services and the relationships between those components.

  • compaction

    In a data center, compaction is the reduction or consolidation of hardware to make better use of physical floor space.

  • computer-intensive

    Computer-intensive is a term that applies to any computing application that requires the resources of a lot of computers, such as grid computing.

  • converged data center

    A converged data center pre-integrates server, storage and networking hardware with management, hypervisor and operating system platforms, as well as applications and services.

  • COTS (commercial off-the-shelf)

    COTS (commercial off-the-shelf) describes ready-made products that can easily be obtained.

  • COTS, MOTS, GOTS, and NOTS

    COTS, MOTS, GOTS, and NOTS are abbreviations that describe pre-packaged software or hardware purchase alternatives.

  • CRON script

    A CRON script is a list of one or more commands to a computer operating system or application server that are to be executed at a specified time.

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