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  2. Virtualization - Wikipedia

    en.wikipedia.org/wiki/Virtualization

    Operating-system-level virtualization, also known as containerization, refers to an operating system feature in which the kernel allows the existence of multiple isolated user-space instances. The usual goal of virtualization is to centralize administrative tasks while improving scalability and overall hardware-resource utilization.

  3. Virtual machine - Wikipedia

    en.wikipedia.org/wiki/Virtual_machine

    Nested virtualization becomes more necessary as widespread operating systems gain built-in hypervisor functionality, which in a virtualized environment can be used only if the surrounding hypervisor supports nested virtualization; for example, Windows 7 is capable of running Windows XP applications inside a built-in virtual machine.

  4. Software appliance - Wikipedia

    en.wikipedia.org/wiki/Software_appliance

    A software appliance is a software application combined with just enough operating system (JeOS) to run optimally on industry-standard hardware (typically a server) or in a virtual machine. [1] It is a software distribution or firmware that implements a computer appliance. [2] [3] Virtual appliances are a subset of software appliances. The main ...

  5. OS-level virtualization - Wikipedia

    en.wikipedia.org/wiki/OS-level_virtualization

    OS-level virtualization is an operating system (OS) virtualization paradigm in which the kernel allows the existence of multiple isolated user space instances, including containers (LXC, Solaris Containers, AIX WPARs, HP-UX SRP Containers, Docker, Podman), zones (Solaris Containers), virtual private servers (), partitions, virtual environments (VEs), virtual kernels (DragonFly BSD), and jails ...

  6. Hardware virtualization - Wikipedia

    en.wikipedia.org/wiki/Hardware_virtualization

    Hardware virtualization is the virtualization of computers as complete hardware platforms, certain logical abstractions of their componentry, or only the functionality required to run various operating systems. Virtualization emulates the hardware environment of its host architecture, allowing multiple OSes to run unmodified and in isolation.

  7. System virtual machine - Wikipedia

    en.wikipedia.org/wiki/System_virtual_machine

    For example, Solaris Zones supports multiple guest operating systems running under the same operating system such as Solaris 10. [5] Guest operating systems can use the same kernel level with the same operating system version, or can be a separate copy of the operating system with a different kernel version using Solaris Kernel Zones. [6]

  8. Application virtualization - Wikipedia

    en.wikipedia.org/wiki/Application_virtualization

    Application virtualization is a software technology that encapsulates computer programs from the underlying operating system on which they are executed. A fully virtualized application is not installed in the traditional sense, [ 1 ] although it is still executed as if it were.

  9. Containerization (computing) - Wikipedia

    en.wikipedia.org/wiki/Containerization_(computing)

    In software engineering, containerization is operating-system–level virtualization or application-level virtualization over multiple network resources so that software applications can run in isolated user spaces called containers in any cloud or non-cloud environment, regardless of type or vendor. [1]

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