This is the equivalent of pulling the power cord on a real computer.
This is not recommended, unless you’re in a state where you cannot get the machine to function and this is the only way to shut the virtual machine down. Finally, if you choose “Power off the machine”, this will shut down the machine as if the power had been suddenly turned off.You will need to do this if you are changing any options for the machine, such as the hard disks or RAM or similar. If you choose “send the shutdown signal”, it will try to gracefully shut the machine down.Once saved, the window for the machine will disappear and you can close the VirtualBox application. It will take a few moments to save the execution state of the running machine. There are other virtualization software, like VMware, Parallels Desktop (for Mac OSX), Microsoft Hyper-V (Windows), KVM (Linux) etc. Choose “Save the machine state” if it is not already chosen. Oracle VM VirtualBox is a virtualization software that helps you to install different types of supported guest operating systems on your Windows, Mac OS X, Linux and Solaris host machines. This will bring up a window that asks you what you want to do. Click the red Window Close icon in the upper left-hand corner of the virtual machine window.This requires some disk space, as it will make a complete copy of the virtual machine’s RAM before shutting down, but generally disk space is plentiful, and this will enable you to resume the machine whenever you want. One of the neat things about virtual machines is that you can just put them into “sleep” or hibernation mode. NOTE: You cannot make settings changes to a suspended machine, but I did want to throw this in, as this is the primary way to manage machines once you have the proper settings.
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