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 .
* VMM: fixed a problem with large pages in Hyper-V
* VMM: when using the KVM PV provider, use the same frequency for all VCPUs. This will fix slow boots on certain hosts.
* VMM: fixed a hang under certain conditions for SMP guests (32-bit hosts only)
* VMM: several fixes
* AHCI: fixed a crash during shutdown under rare conditions
* AHCI: fixed crash as a result of I/O errors in certain conditions
* Audio: fixed a VM hang with the ALSA backend with certain ALSA configurations
* VGA: fixed loading of saved state if 2D Video Acceleration is enabled
* GUI: apply user interface settings from corresponding page only after pressing OK, not instantly on-the-fly
* GUI: remember size-hints and enabled/disabled states for secondary guest-screens in multi-screen setups on VM restart
* Drag and drop: various fixes for KDE-based guests
* Drag and drop: added transferring plain text to Windows guests
* Drag and drop: fixed transferring large files from host to Linux/Unix guests
* Guest Control: several fixes
* Mac OS X hosts: El Capitan fixes
* Additions/Linux: added -s parameter to mount.vboxsf to be sloppy with invalid parameters