Oracle - (Open Source)
VirtualBox is an easy and elegant solution for those who want to control a computer from another computer.
VirtualBox offers virtualize your operating system (OS) guests on a host machine. Called hypervisor, the application supports Windows OS X, Linux, Mac, Solaris, FreeBSD, etc.. as host, Mac OS X missing the call as a guest.
It also includes a remote access via HTTP protocol, convenient for demonstrations on a clean system. The ability to manage multiple states of the system is particularly interesting and its interface is very simple.
Virtualization solutions allow installing an operating system on a virtual machine using the resources of the host PC , thus enjoying very good performance. In the genre, several solutions are known for their ease of use, such as VMware Workstation , Parallels Desktop or Microsoft Virtual PC 2007 SP1.
A virtual machine is a useful way to use two operating systems simultaneously and harmless to the host computer. There is the possibility to install Linux on a virtual machine on Windows and vice versa .
# The following items were fixed and/or added:
* GUI: fixed validation warning on global settings / proxy page (4.2.2 regression)
* GUI: fixed crash with multiple guest screens on certain conditions (OS X hosts only)
* VBoxBalloonCtrl: fixed command line argument handling of ballooning module
* VRDP: fixed occasional crash during a video playback in the guest
* BIOS: fixed broken DMI information (4.2 regression)
* BIOS: workaround for booting from Windows 2000 floppy disks
* EFI: fixed video mode selection loss on VM reboot
* Parallel: fixed parallel port printing failure/ paper queue empty error (Windows hosts only)
* NAT: fixed crash on alias-less DNS responses when host-resolver is used
* Storage: fixed hang under rare circumstances