软件简介
VirtualBox 是一款功能强大的虚拟机软件，VirtualBox 4.1.2版本支持最新的Windows 8开发者预览吧的虚拟，功能直指竞争对手VMWare Workstation 8。注意：安装VirtualBox只有选择默认路径才是简体中文版。提示：Windows 8 关机/重启：Win键 + i键。
VirtualBox 4.1.2界面截图
VirtualBox 4.1.2 (released 2011-08-15)
This is a maintenance release. The following items were fixed and/or added:
* VMM: fixed 64-bit guests on AMD Fusion CPUs (bug #8824)
* VMM: fixed handling of the sysenter/sysexit machine instructions in 64-bit guests on Intel hosts
* GUI: added linked clone support
* GUI: fixed error check when changing the VM controller settings (4.1.0 regression; bug #9246)
* GUI: fixed the inclusion of additional information (license, vendor, ...) on OVF export
* GUI: when taking a snapshot from the VM selector, don't do a live snapshot
* GUI: fixed immediate crash during start on certain environments due to a library version conflict
* Guest control execution: implemented copying single files from guest to the host (directories and filters not supported yet)
* Guest control execution: limited to serve up to 5 guest processes at a time by default
* Main: return the correct RDP default port fixing settings warnings in the GUI if the remote display was enabled at runtime (bug #9368)
* VBoxSVC: made the path comparison OS independent when images are registered (bug #9303)
* VBoxSVC: several fixes/performance improvements for cloning of VMs
* Snapshots: fixed "Solid-State drive" flag survival on snapshot creation (bug #9379)
* VBoxManage: implemented copyfrom and stat guest control tools to copy files from guest to host and to check for existence of files on the guest
* VBoxManage: fixed extpack install --replace (bug #9308)
* VBoxManage: allow to start multiple VMs with startvm
* VBoxManage: experimental support for SATA CD/DVD hotplugging
* Mouse support: fixed an off-by-one pointer position error affecting Windows guests (bugs #7566, #9321)
* VRDP: fixed a case when the screen was not redrawn correctly (bug #9242)
* NAT: changed TCP connection establishment according to Winsock API requirements (Windows hosts only; bug #8919)
* USB: fixed device recognition issues (bugs #9299) and fixed several device capturing issues (Windows hosts; bug #9299)
* USB: fixed issues with remote filters being applied to local USB devices
* OVA: fixed import of renamed OVA files (bug #9033)
* Windows host: fixed icon for .VDI files (bug #9393)
* Solaris hosts: fixed a bug preventing parallel usage of multiple host NICs with Crossbow based bridged networking
* Linux hosts: fixed random kernel panics on host suspend / shutdown (4.1.0 regression; bug #9305)
* Guest Additions: keep logged in user count in out-of-memory situations and warn about it
* Solaris Additions: fixed shared folders due to missing symbols in the vboxfs module (4.0.12 / 4.1.0 regression; bug #9264)
* Windows Additions: fixed file truncation on a shared folder with some applications (bugs #9276, #9315)
* Windows Additions: fixed shared folder issues with antivirus software and 64 bit Windows guests (bug #9318)
* Windows Vista and 7 guests: WDDM driver fixes and performance enhancements, fixed WinSAT crashes (#9267)
* Linux Additions: fixed llseek() for Linux kernels 2.6.37 and above