对于VMWare、Virtual PC这些虚拟机软件,可能大家都比较熟悉.VirtualBox是德国一家软件公司InnoTek 所开发的虚拟系统软件.
它不仅具有丰富的特色,而且性能也很优异.更是开源的,成为了一个发布在GPL许可之下的自由软件.新版变动如下：

• Windows Installer: fixed installation on Windows 2000 hosts
• Windows Installer: proper warning when installing a 32-bit VirtualBox version
on 64-bit Windows and vice versa
• Linux Installer: no longer require license acceptance during install, instead at
first GUI startup (addresses issues with hanging installer on Debian based distributions)
• GUI: added user registration dialog
• GUI: fixed crashes on 64-bit Linux hosts
• GUI: several fixes and improvements to seamless mode
• GUI: fixed DirectDraw mode with certain video cards (e.g. Intel i915)
• GUI: fixed incorrect guest resolution after leaving fullscreen mode
• GUI: improved keyboard handling on Linux host
• GUI: show fatal VM aborts (aka “Guru Meditation”)
• GUI: fixed crashes due to a display update race condition on some systems
• GUI: added ACPI shutdown option to the VM close dialog
• GUI: NLS improvements
• BIOS: fixed floppy boot menu
• BIOS: expose the VM UUID in the DMI/SMBIOS area
• VGA: fixed CGA video modes
• VGA: fixed 8-bit DAC handling (Solaris setup)
• VMM: fixed issue with VT-x on Windows 64-bit hosts
• VMM: improved compatibility with Linux KVM
• VMM: fixed issues with Fedora 8 guests
• VMM: fixed fatal errors while installing Windows guests when using AMD-V
• VMM: fixed sporadic hangs when minimizing VM window and using VT-x/AMDV
• VMM: fixed high load of ksoftirq on tickless Linux hosts
• VMM: fixed Windows 2000 guests hangs related to IRQ sharing
• VMM: fixed sporadic errors during openSUSE 10.3 installation
• VMM: fixed issue with Linux 2.6.23 guests
• VMM: fixed issues with Solaris guests
• VMM: fixed stability issue related to incorrect relocations
• Serial: significantly reduced CPU utilization
• Network: fixed issues with FreeBSD guests
• Network: added MII support (100MBit detection fix)
• Network: improved MAC address handling
• Network: added PXE release logging
• IDE: large reads from CD could exceed the I/O buffer size
• Audio: load ALSA dynamically on Linux
• VRDP: support additional RDP clients (SunRay, WinConnect, Mac OS X)
• VRDP: fixed issues when client color depth is higher than server color depth
• VRDP: make PAM authentication service name configurable
• VRDP: increased stack size to deal with stack consuming PAM library calls
• Additions: various fixes and enhancements to clipboard handling
• Windows Additions: fixed issues with Additions on NT 4 guests
• Windows Additions: added support for 8-bit video modes
• Windows Additions: allow specifying custom resolutions for secondary screens
• Windows Additions: several fixes and improvements for DirectDraw
• Windows Additions: improved the mouse filter driver compatibility with other mouse drivers
• Linux Additions: several fixes and enhancements to Shared Folders
• Linux Additions: added support for X.org Server 1.4
• Shared folders: fixed MS Powerpoint access issues (Linux host)
• API: fixed RPC_E_CHANGED_MODE startup error on Windows hosts
• API: fixed SMP race condition on Linux hosts
• API: fixed stability issues on Windows hosts in low memory conditions