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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: Virtualize all input-output and processor control instructions
MS-DOS Player for Win32-x64, a Microsoft MS-DOS Emulator, runs many command line DOS programs like compilers or other tools, also packaged into one standalone executable file. vDOS, a DOS emulator designed for the running the more "serious" DOS apps (not games) on 64-bit NT systems (effectively a replacement for NTVDM on modern systems).
In DOS, CONFIG.SYS is located in the root directory of the drive from which the system was booted. The filename is also used by Disk Control Program (DCP), an MS-DOS derivative by the former East-German VEB Robotron. [1] Some versions of DOS will probe for alternative filenames taking precedence over the default CONFIG.SYS filename if they exist:
MS-DOS / PC DOS and some related disk operating systems use the files mentioned here. System Files: [1] IO.SYS (or IBMBIO.COM): This contains the system initialization code and builtin device drivers; MSDOS.SYS (or IBMDOS.COM): This contains the DOS kernel. Command-line interpreter (Shell): COMMAND.COM: This is the command interpreter.
dbDOS CONFIG.EXE; The new dbDOS Configuration adds significant features to manage Windows shortcuts for running dBASE for DOS applications. One of the main comments with the initial dbDOS 1.0 product was that end-users wanted to be able to manage the shortcuts, they wanted to be able to delete them, and they wanted a way to share them.
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 .
DOS/32 has been commercially available since 1996. As of May 2002, it was released to the public in the form of "Liberty Edition" along with its complete source code under terms similar to the Apache License of the time, [a] allowing unrestricted, royalty-free distribution with certain provisions regarding reference to it in documentation and the naming of derived software.