Moss-os - A hobby x86 operating system in C and ASM.
Moss is a hobby x86 operating system, written in C and a sprinkle of ASM. My thanks go to the hobbist kernel development community at OSDev.
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VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. VirtualBox runs on Windows, Linux, Macintosh, and Solaris hosts and supports a large number of guest operating systems. So, for example, you can run Windows and Linux on your Mac. VirtualBox is a so-called hosted hypervisor. It requires an existing operating system to be installed. It can thus run alongside existing applications on that host.
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