Sun's open source desktop virtualization application for x86 hardware, VirtualBox, is getting an extreme makeover under Oracle. With some slight re-branding and some experimental new features, Oracle released the first beta for VirtualBox 3.2. Today, "Oracle VirtualBox" (can I call it OVB now?) is available for download (on Windows, Mac, Linux, and Solaris) and ready for feedback. All references to VirtualBox have been changed to 'Oracle VirtualBox' by Oracle with no impact to compatibility they say. Some of the most significant new features are considered "bleeding-edge," like the experimental support for Mac OS X guests. Another cool feature is Memory Ballooning. This allows a Virtual Machine to dynamically increase or decrease the amount of RAM that it uses. This feature works only in 64-bit hosts. OVB 3.2 also has new CPU hot-plugging features. Users will be able to hot-add and hot-remove the CPU for Linux and certain Windows guests (hot-adding only for Windows). Deleting snapshots while the VM is still running is now possible in 3.2. Guest additions now have the ability to execute guest applications from the host system. If no Guest Additions are available, then USB tablet/keyboard emulation is a new option for users of the 3.2 beta. Read more: DZone
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