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DOSBox is a free and open-source emulator which runs software for MS-DOS compatible disk operating systems—primarily video games. [5] It was first released in 2002, when DOS technology was becoming obsolete. Its adoption for running DOS games is widespread, with it being used in commercial re-releases of those games as well.
According to its manual, "dosemu" is a user-level program which uses certain special features of the Linux kernel and the 80386 processor to run DOS in a DOS box. The DOS box, relying on a combination of hardware and software, has these abilities: Simulate a hardware environment over which DOS programs are accustomed to having control.
Bochs (pronounced "box") is a portable IA-32 and x86-64 IBM PC compatible emulator and debugger mostly written in C++ and distributed as free software under the GNU Lesser General Public License. It supports emulation of the processor (s) (including protected mode ), memory, disks, display, Ethernet, BIOS and common hardware peripherals of PCs .
Emscripten is an LLVM / Clang -based compiler that compiles C and C++ source code to WebAssembly, [3] primarily for execution in web browsers . Emscripten allows applications and libraries written in C or C++ to be compiled ahead of time and run efficiently in web browsers, typically at speeds comparable to or faster than interpreted or ...
Comparison of platform virtualization software. Platform virtualization software, specifically emulators and hypervisors, are software packages that emulate the whole physical computer machine, often providing multiple virtual machines on one physical platform. The table below compares basic information about platform virtualization hypervisors.
FreeDOS is designed to work well with virtualization software such as VirtualBox and VMware. The installation process is identical to real hardware. It is also possible to install FreeDOS on DOSBox and its derivatives. By doing so, it provides additional functionality not present in the emulator. [44] [45]
NTVDM is a system component of all IA-32 editions of the Windows NT family since 1993 with the release of Windows NT 3.1. It allows execution of 16-bit Windows and 16-bit / 32-bit DOS applications. The Windows NT 32-bit user-mode executable which forms the basis for a single DOS (or Windows 3.x) environment is called ntvdm.exe.
Boom was a port for DOS of the Doom source code by TeamTNT. Boom fixed numerous software glitches and added numerous other software enhancements into the engine to such a degree that its additions have been incorporated into most modern versions of Doom source ports (such as PrBoom+, ZDoom and Doom Legacy).