The host operating system has control over how much processing power it gives to a program, and VirtualBox asks for a lot of power, so virtual machines often run very slowly.
#Docker on windows vs mac mac os#
In the VM example above, not only is the Mac host running all of the Mac OS background tasks, it’s also running all of the Windows background tasks - which all just look like one big heavy program to the host. So what’s the difference between a virtual machine in VirtualBox and a container in Docker? Well, using a virtual machine can be a heavy task for a processor. A Mac host computer running a Windows virtual machine using VirtualBox. Docker, like VirtualBox, “virtualizes” an operating system inside of a host operating system. The Windows in the VM doesn’t know that it’s running inside of a simulation and not a real computer - it just thinks its the main operating system.
On a virtual machine (or VM for short) running Windows, the virtual hard drive contains all of the Windows operating system code, which can be several gigabytes. A virtual machine simulates all of the parts of a real computer, including the screen and the hard drive, which on the real computer (often referred to as the host) is just a big single file (called a virtual hard drive). If you’ve ever used VirtualBox or VMware, you may be familiar with virtual machines used to run Windows inside of a Mac, for example. Containers are sort of like virtual machines, which are like simulations of a computer running inside of your real computer.
#Docker on windows vs mac software#
Here we will take a brief look at why software engineers, and everyday users, choose Docker to quickly and efficiently manage their computer software.ĭocker is a tool used to run containers. However, it can be difficult to understand what it’s really for. Docker is a very popular tool in the world of enterprise software development.
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