# 操作容器

容器是 Docker 又一核心概念。

简单的说，容器是独立运行的一个或一组应用，以及它们的运行态环境。对应的，虚拟机可以理解为模拟运行的一整套操作系统（提供了运行态环境和其他系统环境）和跑在上面的应用。

本章将具体介绍如何来管理一个容器，包括创建、启动和停止等。


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