![]() Instead of running many such physical computers that are only Hardware resources as well as electricity is thereby wasted. Potential power and run with low average system loads. Most of the time, computers today only use a fraction of their Virtualization can significantly reduce hardware and electricityĬosts. While a VM is running to reclaim disk space. ![]() Guest with a virus), one can easily switch back to a previous snapshotĪnd avoid the need of frequent backups and restores.Īny number of snapshots can be created, allowing you to travelīack and forward in virtual machine time. after installing misbehaving software or infecting the This way, one canįreely experiment with a computing environment. Machine and revert back to that state, if necessary. On top of that, with the use of another VirtualBox featureĬalled "snapshots", one can save a particular state of a virtual Once installed, a virtual machine and its virtual hard disks can beĬonsidered a "container" that can be arbitrarily frozen, woken up,Ĭopied, backed up, and transported between hosts. Installing and running a mail server becomesĪs easy as importing such an appliance into VirtualBox. Such a complex setup (then often called an "appliance") can be packed Solution on a real machine can be a tedious task. For example, installing a complete mail server Software vendors can use virtual machines to ship entire softwareĬonfigurations. Such operating system, you can install an old operating system such asĭOS or OS/2 even if your real computer's hardware is no longer Since you canĬonfigure what kinds of "virtual" hardware should be presented to each Linux or a Mac) without having to reboot to use it. ![]() One operating system on another (for example, Windows software on This way, you can run software written for VirtualBox allows you to run more than one The following screenshot shows you how VirtualBox, installed on a MacĬomputer, is running Windows 7 in a virtual machine window: ![]() Up to datacenter deployments and even Cloud environments. It can runĮverywhere from small embedded systems or desktop class machines all the way VirtualBox is deceptively simple yet also very powerful. Install and run as many virtual machines as you like - the only practical Windows PC, and so on, all alongside your existing applications. On your Mac, run Windows Server 2008 on your Linux server, run Linux on your So, for example, you can run Windows and Linux That it can run multiple operating systems (inside multiple virtual Secondly, it extends the capabilities of your existing computer so That mean? For one thing, it installs on your existing Intel or AMD-basedĬomputers, whether they are running Windows, Mac, Linux or Solaris operating VirtualBox is a cross-platform virtualization application. Mouse Typing special characters Changing removable media Resizing the machine's window Saving the state of the machine Snapshots Taking, restoring and deleting snapshots Snapshot contents Virtual machine configuration Removing virtual machines Importing and exporting virtual machines Alternative front-ends Table of Contents Why is virtualization useful? Some terminology Features overview Supported host operating systems Installing VirtualBox and extension packs Starting VirtualBox Creating your first virtual machine Running your virtual machine Starting a new VM for the first time Capturing and releasing keyboard and
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