Run Two OS Simultaneously With Virtual Box
4/01/2014
Download VirtualBox from Here
For Installation read this -
How To Install VirtualBox on Windows 7
After installation,
Creating a virtual machine with VirtualBox 4.0
The first time you fire up VirtualBox 4.0, you get to see the new Manager screen in action, as shown in Figure 9. Although sparse at the beginning, the Manager screen will be populated as you add virtual machines.
Figure 9: VirtualBox Manager
To add a new virtual machine, simply click the New button. This starts a wizard-based process that gathers information necessary for VirtualBox to create the new virtual machine. On the first page of the wizard, you are asked to provide a name for the new virtual machine and to indicate the operating system and version that will comprise the guest virtual machine. VirtualBox supports a huge variety of guests, including:
- Windows guests. Windows versions from Windows 3.1 to Windows 7
64-bit are supported. Both desktop and server versions of Windows are
supported guests.
- Linux. A ton of Linux systems are supported. Too many to list!
- Solaris.
- BSD.
- OS/2. Including OS/2 Warp 3, 4 & 4.5, among others.
- Mac OS X Server.
- DOS.
- Netware.
Every machine, even virtual ones, need RAM. VirtualBox provides you with a minimum RAM recommendation that is based on the operating system that you selected. As you can see in Figure 12, VirtualBox recommends a base memory size of 512MB for Windows 7 64-bit. I’ve chosen instead to assign 1 GB of RAM to the virtual machine.
Figure 12: Add RAM to the virtual machine
Virtual machines also need storage space. This is the job of the virtual hard disk. A virtual hard disk in VirtualBox is stored as a file on the host. You can choose to create a new virtual disk or use an existing one. Since I have yet to create a virtual disk under VirtualBox, I’ll choose the Create option (Figure 13).
Figure 13: Choose your hard disk option
This starts the Create New Virtual Disk Wizard.
Figure 14: The new disk wizard starts
There are two kinds of storage available: Fixed-size and dynamically expanding storage. For desktop virtualization, I usually use the dynamic option since it uses less disk space; the virtual disk file simply grows as new data is added to the virtual machine. This does result in a slight performance hit, but I don’t need to allocate the entire amount of disk space up front. Figure 15 includes additional text explaining the difference between the storage types.
Figure 15: Select your storage type
The virtual disk file needs to be stored in a folder on the host. By default on my host, this location is C:\Users\Scott\VirtualBox VMs\Win7. To change the location, click the folder icon to the right of the Location field in Figure 16. Next, specify the size of the virtual disk. I’ve decided to create a 60 GB virtual disk for my Windows 7 virtual machine.
Figure 16: How large should the virtual disk be?
The Create new Virtual Disk Summary page – shown in Figure 17 – displays the storage related options you made.
Figure 17: The new virtual disk has been created
Finally, VirtualBox presents to you a summary page outlining the selections you made throughout the process. Click the Finish button once you’ve reviewed your selections.
Figure 18: The new virtual machine has been created
Once the virtual machine is created, another wizard – the First Run Wizard – starts automatically and asks you to provide installation media for the virtual machine. You can point the virtual machine to a physical DVD drive or you can point it to an ISO image of an operating system installation disc, which I have done in Figure 19.
Figure 19: Choose installation media
When done, the virtual machine enters a running state and boots from the installation media. In Figure 20, you can see my running Windows 7 virtual machine. The OS isn’t fully installed yet, but the virtual machine is operational.
Figure 20: The VM is running
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