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FreeDOS is also used in multiple independent projects: FED-UP is the Floppy Enhanced DivX Universal Player. [21] FUZOMA is a FreeDOS-based distribution that can boot from a floppy disk and converts older computers into educational tools for children. [22] XFDOS is a FreeDOS-based distribution with a graphical user interface, porting Nano-X and ...
But the greater speed attainable by direct control of hardware was of particular importance, especially when running computer games. So very soon an IBM-compatible architecture became the goal, and before long all 8086-family computers closely emulated IBM hardware , and only a single version of MS-DOS for a fixed hardware platform was all that ...
Commodore DOS, for Commodore's 8-bit computers; Cromemco DOS (CDOS), a CP/M-like operating system; CSI-DOS, for the Soviet Elektronika BK computers; DOS (Diskette Operating System), a small OS for 16-bit Data General Nova computers, a cut-down version of their RDOS. DEC BATCH-11/DOS-11, the first operating system to run on the PDP-11 minicomputer
In all 32-bit (IA-32) editions of the Windows NT family since 1993, DOS emulation is provided by way of a virtual DOS machine (NTVDM). 64-bit (IA-64 and x86-64) versions of Windows do not support NTVDM and cannot run 16-bit DOS applications directly; third-party emulators such as DOSbox can be used to run DOS programs on those machines.
Intel announces the 32-bit Intel 80386. The 386 has a 32-bit address bus that can directly address 2 32 (4,294,967,296) memory locations, i.e. 4096 MB or 4 gigabytes (GB) of RAM using the flat memory model, or up to 2 46 bytes (64 terabytes) of virtual memory.
DR-DOS 7.07 (with BDOS 7.4/7.7) by Paul introduced new bootstrap loaders and updated disk tools in order to combine support for CHS and LBA disk access, the FAT12, FAT16 and FAT32 file systems, and the differing bootstrapping conventions of DR-DOS, PC DOS, MS-DOS, Windows, REAL/32 and LOADER into a single NEWLDR MBR and boot sector, so that the ...
Other computer types were upgraded from 16-bit to 32-bit, and the advanced program support was provided by upgrading the operating system with a new 32-bit API and new memory management/addressing capabilities. For example, the OS/2 core system supports 32-bit programs, and can be run without the GUI. The DPMI solution appears to be mainly ...
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.