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Oracle VM VirtualBox (formerly Sun VirtualBox, Sun xVM VirtualBox and Innotek VirtualBox) is a hypervisor for x86 computers from Oracle Corporation. Developed initially by Innotek GmbH, it was acquired by Sun Microsystems in 2008 which was in turn acquired by Oracle in 2010. VirtualBox may be installed on a number of host operating systems, including: Linux, OS X, Windows Vista, Solaris, and OpenSolaris. There are also ports to FreeBSD and Genode. It supports the creation and management of guest virtual machines running versions and derivations of Windows, Linux, BSD, OS/2, Solaris, Haiku, OSx86 and others, and limited virtualization of guests on Apple hardware. For some guest operating systems, a "Guest Additions" package of device drivers and system applications is available〔(【引用サイトリンク】title=Chapter 4 Guest Additions ) 〕〔 〕 which typically improves performance, especially of graphics.〔(【引用サイトリンク】title=Run Ubuntu Linux Within Windows Using VirtualBox )〕 ==History== VirtualBox was initially offered by Innotek GmbH from Weinstadt, Germany under a proprietary software license, making one version of the product available at no cost for personal or evaluation use, subject to the VirtualBox Personal Use and Evaluation License (PUEL). In January 2007, based on counsel by LiSoG, Innotek GmbH released VirtualBox Open Source Edition (OSE) as free and open-source software, subject to the requirements of the GNU General Public License (GPL), version 2.〔 〕 Innotek GmbH also contributed to the development of OS/2 and Linux support in virtualization〔 〕 and OS/2 ports〔 〕 of products from Connectix which were later acquired by Microsoft. Specifically, Innotek developed the “additions” code in both Microsoft Virtual PC and Microsoft Virtual Server, which enables various host-guest OS interactions like shared clipboards or dynamic viewport resizing. Sun Microsystems acquired Innotek in February 2008.〔 〕 Oracle Corporation acquired Sun in January 2010 and re-branded the product as "Oracle VM VirtualBox".〔(【引用サイトリンク】Oracle and Virtualization ) 〕〔 〕〔 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「VirtualBox」の詳細全文を読む スポンサード リンク
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