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virtualbox虚拟机

VirtualBox性能有很大的提高。因为他是开源的,不同于VM,而且功能强大,可以在 Linux/Mac 和 Windows 主机中运行,并支持在其中安装 Windows (NT 4.0、2000、XP、Server 2003、Vista)、DOS/Windows 3.x、Linux (2.4 和 2.6)、OpenBSD 等系列的客户操作系统。

virtualbox虚拟机软件特性

VirtualBox最早是德国一家软件公司InnoTek所开发的虚拟系统软件,后来被Sun收购,改名为Sun VirtualBox,性能有很大的提高。因为他是开源的,不同于VM,而且功能强大,可以在 Linux/Mac 和 Windows 主机中运行,并支持在其中安装 Windows (NT 4.0、2000、XP、Server 2003、Vista)、DOS/Windows 3.x、Linux (2.4 和 2.6)、OpenBSD 等系列的客户操作系统。假如你曾经有用过虚拟机软件的经历的话,相信使用 VirtualBox 不在话下。即便你是一个新手,也没有关系。VirtualBox 提供了详细的文档,可以助你在短期内入门。

This is a maintenance release. The following items were fixed and/or added:

Mac OS X hosts: fixed incompatibility with recent Mac OS X versions in 64-bit mode (bug 8474)
Mac OS X hosts: fixed incompatibility with hosts with more than 16 cores (bug 8389)
Mac OS X hosts: fixed painting corruptions on a second monitor in 64-bit mode (bug 7606)
GUI: restored functionality to set an empty host key to disallow any host key combination (4.0.6 regression; bug 8793)
VBoxManage: added controlvm screenshotpng subcommand for saving the screenshot of a running VM in PNG format
VBoxHeadless: fixed potential crash during shutdown (Windows hosts only)
NAT: built-in services use the correct Ethernet addresses in Ethernet header and in ARP requests
Host-only networking: fixed adapter reference counting
E1000: fixed rare guest crashes with Linux SMP guests (bug 8755)
SATA: fixed guest disk corruption under rare circumstances (only relevant for guests with more than 2GB RAM; bug 8826)
Storage: fixed data corruption after a snapshot was taken with asynchronous I/O enabled (bug 8498)
Floppy: several improvement
HPET: another fix for time jumps (bug 8707)
USB: removed assumption that string descriptors are null-terminated (Windows hosts only)
3D support: fixed a potential crash when resizing the guest window
3D support: fixed GNOME 3 rendering under Ubuntu 11.04 and Fedora 15
Snapshots: fixed another bug which could lose entries in the media registry when restoring a snapshot (bug 8363)
Shared Folders: don't stop mounting the other valid folders if one host folder is inaccessible (4.0.6 regression)
Linux Additions: check whether gcc and make are installed before building kernel modules (bug 8795)
Solaris Additions: added support for X.Org Server 1.10
Guest Additions: fixed inappropriate Guest Additions update notification when using vendor-specific version suffixes (bug 8844)