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Mtools is an open source collection of utilities to allow a Unix operating system to manipulate files on an MS-DOS file system, typically a floppy disk or floppy disk image. [ 2 ] [ 3 ] The mtools are part of the GNU Project and are released under the GNU General Public License (GPL-3.0-or-later).
When the DOSBox application is opened, it automatically mounts to a virtual, permanent [24] Z: drive that stores DOSBox commands and utilities. [28] The reasons for the virtual drive are related to security, [ 29 ] but the user can mount a different drive letter in the emulator to a directory, image file, floppy disk drive, or CD-ROM drive on ...
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.
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
[10] [11] There were DOS Plus 2.1e/g adaptations for the Apricot ACT series' non-standard 315 KB and 720 KB FAT12 floppy formats. The logical sectored FAT hard disk format (partition type 0xF2 ) of Sperry IT PCs, and the 80186 co-processor boards for the Acorn Archimedes A300 and A310 as well as Acorn 286 prototypes were supported as well.
It embeds itself in the executable file at linking time and executes before main application code, so usually DOS/4G initialization messages show up at launch. It can in principle operate within MS-DOS , PC DOS , DR-DOS and other DOS clones, the DOS boxes of OS/2 , Microsoft Windows , Windows NT and Windows 95 , and DOS emulators such as DOSBox .
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Modified frequency modulation (MFM) is a run-length limited (RLL) line code [1] used to encode data on most floppy disks and some hard disk drives.It was first introduced on hard disks in 1970 with the IBM 3330 and then in floppy disk drives beginning with the IBM 53FD in 1976.