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VirtualBox 3.1: Beginner's Guide by Alfonso V Romero

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Expanding hard disk images on the fly

Up to this point in the chapter, we've been using dynamically expanding virtual disk images. That means their size grows each time the operating system writes information for the first time. For example, if you open the Virtual Disk Manager and look at the UbuntuHD2.vdi image we created and used in the first section of this chapter (Using Virtual Disks in VirtualBox), you'll notice its real size is very small (17 MB) compared to the size we selected when creating it (2.00 GB ):

Expanding hard disk images on the fly

And the same thing happens with all the other virtual hard drives we've been using in this book. Whenever the operating system of your ...

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