You're setting up some VMs to test an application you're considering making available to employees of the small company you work for. You need to test the app in a variety of OSs, and you don't expect to need these VMs after testing is complete. You'd like setup to be as simple and straightforward as possible without needing to make any changes to the servers on your network. Which of these hypervisors will best serve your needs?

You should never test the software on your PC as you never know what virus or threat they bring with them. Even when you are a software company and testing your own new software, you should use the VM, as it is safe. Any adverse effect can be tackled as the VM is made to be destroyed some day.

You can install numerous OS on your VM. The two best are certainly Virtual Box and the Hyper-V from VMWare. Remember, if you dont want to use the licensed version of certain OS, the trial versions are always available for free, and you can install them on the VMs.

There is a snapshot option on the VirtuabBOX. You are only required to create the snapshot after creating and configuring the VM. It supports Windows, Linux and Mac. So you can install almost any OS. However, VMWare Player does not support the Snapshot, but it provides s similar option known as Checkpoints. However, VMware Workstation supports Snapshots, though they might be costly.

If you are on OS X you can make use of Parallels.

However, never enable file sharing, and stay away from Bridge mode as well as never use your original accounts. File sharing will inject the malware if any to all places on network. The bridge mode connects the VM directly to the network, which otherwise remain hidden behind NAT. And use of personal accounts can cost you them, and this can be quite a big loss definitely.

WeAreHelping WeAreHelping · Answer 2 · 2020-02-07T05:20:27+01:00

Using snapshots on virtual machine software such as VirtualBox, Hyper-V, and others.

Further Explanation

Virtual is a term that originally came from optics, to understand objects in a mirror. An object in a mirror is a reflection of an actual physical object, but a mirror is not an object. This means that the image looks like an actual object and looks to be in the same location.

A virtual machine (VM) is a software implementation of a machine (for example a computer) that executes programs such as a physical machine. Virtual machines are separated into two main categories, based on usage and the level of correspondence for each real machine. A system virtual machine provides a complete system platform that supports the implementation of a complete operating system (OS). Conversely, a process virtual machine is designed to run a program, which means that it supports a single process. An important characteristic of a virtual machine is that the software that runs inside is limited in resources and the abstraction provided by the virtual machine cannot get out of the virtual world. A virtual machine was originally determined by Popek and Goldberg as "an efficient, isolated duplicate of a real machine". Current uses include virtual machines that do not have a direct correspondence to real hardware.

functions of a virtual machine

Switch to a newer operating system version
Virtualization from your desktop
Perform tests with different operating systems
Conduct software testing on many different platforms
Compile different servers for business use

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Grade: Middle School

Subject: Computers and technology

keywords: A virtual machine (VM)