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VirtualBox虚拟机三大特点：免费、小巧、多国语言（含中文）。VirtualBox可以跨平台运行操作，支持安装Windows (NT 4.0、2000、XP、Server 2003、Vista、Win7、Win8、Win8.1等)、DOS/Windows 3.x、Linux、OpenBSD等系列的客户操作系统。 距离上次4.2.18更新刚好一个月，VirtualBox又发布最新的稳定版VirtualBox 4.3.0，不过依旧是集中修复大量bug，其中典型的就是4.2.16和4.2.18两个版本的网卡桥接驱动在Win8.1下引起了异常的睡眠和休眠故障，这次新版已解决该问题，其他就是惯例的软件性能和稳定性提升。 VirtualBox 4.3.0更新日记： 新增内容： VMM: major rewrite of the VT-x code and the AMD-V code including many bug fixes and performance improvements (for example bug #9659) VMM: introduced a lightweight instruction interpreter for situations not handled by hardware virtualization GUI: extended messaging mechanism (new non-modal popup overlays used to show non-critical warnings and provide user with additional information) GUI: keyboard shortcuts management (input page of global preferences extended with possibility to edit general keyboard shortcuts for VirtualBox Manager and Virtual Machine) GUI: video capturing support (bug #4766) Added USB touch device emulation Added experimental support for webcam passthrough complementing USB passthrough (see the manual for more information) Added SCSI CD-ROM emulation, including boot support VRDP: support for IPv6 Guest Control: guest sessions now are running in dedicated, impersonated session processes (needs at least Guest Additions 4.3 installed) Guest Control: implemented IGuestFile support NAT: experimental virtual router mode: several VMs are attached to the same internal network and share one NAT service (see the manual for more information) 修复或者更改： VMM: significantly improved performance of NetWare 5.x/6.x guests on host systems without nested paging support VMM: fixed losing host NMIs while in VT-x guest-context VMM: changed order of actions in emulated task switch (bug #10532) VMM: allow to activate VT-x while in SMX mode and provide more information if that is not possible GUI: update check uses https GUI: numerous minor internal cleanups and bug fixes GUI: HID LEDs synchronization when switching between guest window(s) and host (Mac OS X hosts only) GUI, VBoxManage: when unregistering a VM, also unregister the hard disk images which are used exclusively (bug #10311) GUI: use the number of physical presented processor cores instead of the number of logical processor cores to check if the users assigned too many virtual CPUs to the guest Snapshots: made live snapshots work again (bug #9255) Teleportation: made it work again (bug #9455) Storage: implemented AHA-154x compatibility mode in the emulated BusLogic SCSI HBA Storage: significantly improved performance of large ATAPI PIO transfers (BeOS, Minix 3 guests affected) Storage: added floppy formatting emulation (NB: cannot be used to change existing media geometry) Settings: global and per-VM default frontend configuration, useful to select the use of alternative VM frontends Settings: limit depth of snapshot tree to 250 levels, as more will lead to decreased performance and may trigger crashes Settings: the per-VM hwvirtextexcl setting has been replaced by a global hwvirtexclusive property Main: new event queue implementation which does not use the host's native event queue for processing VirtualBox events anymore Main: eliminate the use of SysV semaphores on all host OSes other than Windows, namely Linux, Solaris and Mac OS X, with the consequence that no system reconfiguration is needed to run more than approximately 100 VMs Main: use the XDG standard configuration folder instead of .VirtualBox on systems where it is appropriate (bug #5099) Main: extension pack framework can now support loading HGCM modules, contributed by Jeff Westphal VBoxManage: list more information about hard disk/DVD/floppy media, and support the --long option to show really all available details VBoxManage: added support for optional command line parameters for the automatic Guest Additions update VBoxManage: added support for listing active guest sessions, guest processes and/or guest files via guestcontrol list VBoxManage: added support for closing active guest sessions via guestcontrol session close --session-id | --session-name | --all VBoxManage: added support for terminating active guest processes via guestcontrol process kill|close|terminate --session-id | --session-name ... or guestcontrol [p[s]]kill --session-id | --session-name ... VBoxManage: added support for watching guest sessions via guestcontrol watch VBoxManage: added modifyvm --triplefaultreset to make the VM reset on triple fault instead of triggering a Guru Meditation (see the manual for more information) 3D support: several fixes 3D support: several fixes for Mac OS X hosts OVF: several fixes Extpack Installer: make it work if the file is located in a folder with special characters Keyboard: fix for reporting key sequences like Ctrl+Alt+Del for the USB keyboard emulation Shared Clipboard/X11: support for BMP-format images, contributed by François Revol Mac OS X hosts: limited support for Mac OS X 10.9 (Mavericks) Mac OS X hosts: use a launchd script instead of the deprecated StartupItem mechanism (bug #8940) Windows hosts: don't cause massive DPC latency (only on certain hosts; still needs improving; bug #6242) Windows hosts: consider symlinks when retrieving volume information (bug #11962) Windows hosts: fixed an issue with USB2 devices being inaccessible when plugged into USB 3.0 ports Windows Additions: fixed misbehavior with guest display power management (WDDM driver only; bug #11170) Windows Additions: fixed memory leak caused by WTSQuerySessionInformation() on Windows 2000 guests (bug #12072) Windows Additions: ability to track guest user idle times through the newly introduced event IGuestUserStateChangedEvent Linux Additions: fixed udev detection in the init script with Linux 3.x kernels VirtualBox 4.2.18官方下载： 面向Windows平台：支持Windows XP、Vista、Win7、Win8、Win8.1等平台，101MB 注：VirtualBox是含简体中文语言包的，不过安装的时候要特别注意，如果您登录Windows的用户名是中文名，会导致软件无法正确安装，关于这个，大家可以看下《Win7下安装VirtualBox，系统找不到指定的路径？》。广告声明：文内含有的对外跳转链接（包括不限于超链接、二维码、口令等形式），用于传递更多信息，节省甄选时间，结果仅供参考，IT之家所有文章均包含本声明。