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                             Oracle VM VirtualBox Description

A powerful virtualization software

racle VM VirtualBox is a general-purpose full virtualizer for hardware. Targeted at server, desktop and embedded use, Oracle VM VirtualBox is now the only professional-quality virtualization solution that is also Open Source Software.

Oracle VM VirtualBox is a package of strong x86 virtualization software for enterprise as well as home use.

NOTE:
The binaries from the download section are all released under the Oracle VM VirtualBox Personal Use and Evaluation License (PUEL).
Here are some key features of "Oracle VM VirtualBox":

� Modularity. Oracle VM VirtualBox has an extremely modular design with well-defined internal programming interfaces and a client/server design. This makes it easy to control it from several interfaces at once: for example, you can start a virtual machine in a typical virtual machine GUI and then control that machine from the command line, or possibly remotely. Oracle VM VirtualBox also comes with a full Software Development Kit: even though it is Open Source Software, you dont have to hack the source to write a new interface for Oracle VM VirtualBox.
� Virtual machine descriptions in XML. The configuration settings of virtual machines are stored entirely in XML and are independent of the local machines. Virtual machine definitions can therefore easily be ported to other computers.
� Guest Additions for Windows and Linux. Oracle VM VirtualBox has special software that can be installed inside Windows and Linux virtual machines to improve performance and make integration much more seamless. Among the features provided by these Guest Additions are mouse pointer integration and arbitrary screen solutions (e.g. by resizing the guest window).
� Virtual USB Controllers. Oracle VM VirtualBox implements a virtual USB controller and allows you to connect arbitrary USB devices to your virtual machines without having to install device specific drivers on the host.
� Remote Desktop Protocol. Unlike any other virtualization software, Oracle VM VirtualBox fully supports the standard Remote Desktop Protocol (RDP). A virtual machine can act as an RDP server, allowing you to "run" the virtual machine remotely on some thin client that merely displays the RDP data.
� USB over RDP. With this unique feature, a virtual machine that acts as an RDP server can still access arbitrary USB devices that are connected on the RDP client. This way, a powerful server machine can virtualize a lot of thin clients that merely need to display RDP data and have USB devices plugged in.
� Shared folders. Like many other virtualization solutions, for easy data exchange between hosts and guests, Oracle VM VirtualBox allows for declaring certain host directories as "shared folders", which can then be accessed from within virtual machines.

Whats new in Oracle VM VirtualBox 4.2.2 r81494:

October 19th, 2012

� GUI: restored VM item tool-tip functionality (4.2 regression)
� GUI: added group item tool-tip functionality
� GUI: fixed handling of the .ova/.ovf file name association (4.2 regression)
� GUI: it was not possible to change any setting before the first VM was created (bug #10928)
� GUI: disable grouping action if all the selected items are full children list of the same group already
� GUI: added menu for runtime drag-and-drop option change
� GUI: cleanup shared-clipboard menu on visual-mode change
� GUI: make sure VM receives keyboard focus on entering fullscreen-mode on Win host (bug #11051)
� GUI: disable proxy authentication for security reasons
� 3D Support: DrawIndexedPrimitiveUP implementation fixes for the Windows WDDM video driver (bug #10929)
� Storage: fixed a release assertion in the AHCI emulation when requests where canceled with asynchronous I/O disabled
� Storage: fixed a hang during VM reset under certain circumstances (bug #10898)
� NAT: fixed a crash under rare circumstances (Windows hosts only; bug #10128)
� NAT: automatically use the host resolver if the host name server is set to some unusual loopback value (bug #10864)
� E1000: fixed a VirtualBox crash during intensive network transfers (4.2 regression; bugs #10936, #10969, #10980)
� ICH9: fixed PCI bridge initialization
� USB mouse: ensure that the last mouse event doesnt get lost if no URBs are available
� BIOS: certain legacy guests (e.g. Windows 95) didnt find the boot device after a warm reboot
� BIOS: dont trash the palette in text modes when setting the border color
� EFI: fixed OS X guest autoboot (4.2 regression)
� VBoxManage: fixed output of showvminfo --machinereadable (bug #10973)
� VBoxManage: fixed parsing of storageattach --discard (bug #11023)
� VBoxManage: fixed wrong output of the HPET setting in showvminfo (bug #11065)
� VBoxManage: fixed closing the guest session after executing a guest process via guest control
� VBoxShell: adaptions to interface name changes
� Guest Additions device: fixed a Guest Additions hang when a machine was reset after a crash
� Linux hosts / guests: Linux 3.7-rc1 fixes
� Linux Additions: support X.Org Server 1.13
� Linux Additions: fixed a hang when the X server was restarted with old guest kernels
� Linux Additions: fixed a VBoxService crash during CPU hot remove (bug #10964)
� Windows Additions: fixed automatic screen resize issue for NT4 guests
� OS/2 Additions: fixed shutdown hang
� OS/2 Additions: fixed mouse driver panic
� Solaris hosts: fixed autostart service going into maintenance mode after all VMs started
� Solaris hosts: fixed linking the host driver with the dtrace module