V - Definitions

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  • V

    virtual

    In computing, virtual is a digitally replicated version of something real. The replication, which is created with software, may not be an exact copy of the real thing, but it is similar enough in essence to be described as a digital rendition.

  • virtual appliance

    A virtual appliance is a virtual machine image file consisting of a pre-configured operating system environment and a single application. The purpose of a virtual appliance is to simplify delivery and operation of an application. To this end, only necessary operating system components are included.

  • virtual file system (VFS)

    A virtual file system (VFS) is programming that forms an interface between an operating system's kernel and a more concrete file system. 

  • virtual hard drive

    A virtual hard drive file is a container file that acts similar to a physical hard drive.

  • virtual machine (VM)

    A virtual machine (VM) is a software computer that, like a physical computer, runs an operating system and applications.

  • Virtual Machine Management Service

    Virtual Machine Management Service, also known as VMMS or vmms.exe, is the main module in Microsoft Windows operating system that controls all aspects of Hyper-V server virtualization.

  • virtual memory ballooning

    Virtual memory ballooning allows a physical host to recapture unused memory on its guest virtual machines and allocate the resource where needed.

  • virtual networking

    Virtual networking is a technology that facilitates the control of one or more remotely located computers or servers over the Internet... (Continued)

  • Virtual PC

    Virtual PC is a program that emulates Windows 95, Windows 98, Windows NT, as well as IBM OS/2, or Linux on a Macintosh personal computer, assuming it's equipped with a sufficiently fast microprocessor.

  • virtual private server (VPS) or virtual dedicated server (VDS)

    A virtual private server (VPS), also called a virtual dedicated server (VDS), is a virtual server that appears to the user as a dedicated server, but that is actually installed on a computer serving multiple websites.

  • virtual storage appliance (VSA)

    A virtual storage appliance (VSA) is a storage controller that runs on a virtual machine(VM) to create shared storage without the cost of additional hardware. 

  • virtual switch

    A virtual switch is a software program that allows one virtual machine (VM) to communicate with another.

  • virtual to physical (V2P)

    Virtual to physical (V2P) is a term that refers to the migration of an operating system (OS), application programs and data from a virtual machine or disk partition to a computer's main hard disk... (Continued)

  • Virtual to virtual (V2V)

    Virtual to virtual (V2V) is a term that refers to the migration of an operating system (OS), application programs and data from a virtual machine or disk partition to another virtual machine or disk partition... (Continued)

  • virtualization

    Virtualization is the creation of a virtual version of something, with the goal of centralizing administrative tasks while improving scalability and workloads.

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