VirtualBox 4.0 | 156.45 Mb
VirtualBox is an x86 virtualization software package, originally created by software company innotek GmbH, purchased by Sun Microsystems, and now developed by Oracle Corporation. Within in this, we can run another OS which may be Mac or linux or Windows apart from the existing OS.

VirtualBox Supported guest operating systems include NetBSD, Windows, Linux, DragonFlyBSD, FreeBSD, OpenBSD, OS/2 Warp, Solaris, OpenSolaris, Haiku, Syllable, ReactOS, SkyOS, and Mac OS X.
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