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 .
* Mac OS X hosts: Lion fixes
* Solaris hosts: fixed preemption issue with Solaris 11 hosts (builds 166 and above)
* VBoxManage: more convenient configuration of storage controller attachments by automatically determining the port or device parameter when a storage controller has only one port or device per port
* Storage: fixed possible data corruption under certain circumstances whith VHD and Parallels images
* Storage: fixed access to CD/DVD images beyond 4GB when using the SATA controller
* Floppy: make it possible to unmount a host floppy disk
* Networking: fixed the problem with segmentation offloading when several VMs were transmitting at once
* 3D support: fixed GL_VERSION string for different locales
* Sources: fixed USB 2.0 support using extension packs for non-official builds
* Solaris Additions: fixed automounting of shared folders