Google knows that one of the topics that most interest me is virtualization. From this it must be realized as an important part of the entries I've written are about VirtualBox. Recursively visits come from Google looking for information to know the host key in VirtualBox. If this is your case, welcome to ubuntux.info .

When you run a virtual machine, unless the virtualized operating system has support for it, the keyboard and mouse are captured by it. The intention is that the mouse clicks and actions completed by the virtual machine.

The key host (host) is one that releases the keyboard and mouse virtualized machine so we can take control over the desktop. In VirtualBox to the current version of VirtualBox 4.0, this key is CTRL-RIGHT. This means that the Control key on the right of the keyboard.

In the program, when running a virtual machine in the status bar below we can see it.

Tecla Host/Anfitrión

If we can change this key on the other. In the Windows virtual machine Manager, File -> Preferences. A window opens where you can select Input. Here we can change the Host key.