VirtualBox has an extremely modular design with well-defined internal programming interfaces and a client/server design.

Virtual Box will only allow you to run virtual machines on the same underlying architecture as your host machine supports. You can't run an x86 image on Arm via VirtualBox. Can I run an x86 virtual machine on Arm hardware? Instead of dual booting, you can run both operating systems simultaneously and seamlessly switch from one operating system to another with a click of your mouse. If you already have another OS with dual boot, you can use VirtualBox to run the other operating system in a virtual machine on your host operating system. VirtualBox uses your computer's file system and creates files that map to a virtual machine's disk drives, so there is no need to create a partition for each operating system. Do I need to dual boot or repartition the disk? Yes, VirtualBox is a free and open source virtual machine platform for personal, educational, or evaluation use.

The operating systems run within an application, which virtualizes the hardware in a completely isolated environment. VirtualBox can run multiple x86 OS such as Windows, macOS, Linux distributions, FreeBSD, and OpenBSD on your host machine. With VirtualBox, you can install multiple operating systems on a single PC and seamlessly switch between them, including macOS on Intel hardware (experimental feature). Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL) version 2. VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use.

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