With Sun VirtualBox, server administrators can view virtual machines (VMs) remotely and import VMDK files for VM migrations. The Virtual Box shared folders feature lets users share folders among VMs without using the network, and you can also assign USB devices to specific host or guest machines.
The tips in this Sun VirtualBox tutorial from virtualization expert Rick Vanover cover some of the major features in VirtualBox: Guest Additions, VM snapshots and bridged networking. Learn how VirtualBox can help IT managers with administration of their desktop and server virtualization environments.

VirtualBox Guest Additions improve user experience
VirtualBox Guest Additions is a suite that integrates host and guest drivers, much like VMware Tools. But it has some features that set it apart, including the option to choose from four different device types to present to the VM. In addition, VirtualBox Guest Additions come in a straightforward installation that automatically updates the drivers for video, audio, disk drives and other components.