Definition

container

This definition is part of our Essential Guide: Get to know Docker, container technology out of the box

1) A container is an isolated guest in container-based virtualization.  Container-based virtualization uses a single kernel to run multiple instances of an operating system. Each instance runs in a completely isolated environment, so there is no risk that one container can gain access to another’s files.

2) In Sun Microsystems' JavaBeans component architecture and in Microsoft's Component Object Model (COM), a container is an application program or subsystem in which the program building block known as a component is run. For example, a component - such as a button or other graphical user interface or a small calculator or database requestor - can be developed using JavaBeans that can run in Netscape containers such as browsers and in Microsoft containers such as Internet Explorer, Visual Basic, and Word.

3) In the Common Object Request Broker Architecture (CORBA) Interface Repository, a hierarchy for metadata, a Container is one of three abstract superclasses (along with IRObject, and Contained).

This was last updated in April 2005

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Very nice and motivating
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