Docker vs Virtual Machine | Difference Between Docker & Virtual Machine | DevOps Tools | Simplilearn

In this video on Docker vs VM, we will be discussing what is a virtual machine, what is Docker, Docker vs VM, and a real-life example of BBC using Docker. A virtual machine (VM) is an isolated computing environment or software that allows a user to access an operating system via a physical machine. and Docker is OS-level virtualization that uses a software platform to help users to develop, deploy, monitor, and run applications in a Docker Container with all their dependencies.
Below are the topics that we will be discussing in the video today:
00:00:00 What is a Virtual machine?
00:01:34 What is Docker?
00:02:12 Docker vs VM
00:10:55 Use case – A real-life example of BBC

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[wabadabadabdab]

so in short you can run a virtual machine only a limited number of times at the same time, you can run it with a different OS but it takes a lot of resources and with docker you can run it only with the host OS and you can run it multiple times at the same time ( please correct me if im wrong)

[pankajp]

Regarding portability, if a Docker image was created on Windows 10, can it work on Windows 8? In other words, docker uses the underlying OS - how does that impact when one is trying to move it to a machine with different OS on it?