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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.
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).
The difference between DOSBox and any DOS is that in DOS, the drive letters are already allocated to storage devices and partitions, typically A: and B: for floppy drives, C: for the hard drive and a drive letter for the CD ROM drive is usually D: (once the CD ROM drivers are loaded) and of course letters for drive partitions.
The floppy disk emulator can provide other systems access to the data on the emulated floppy in a number of ways: Direct access to some dedicated disk partition (e.g.: a 1.44MB partition on a USB key) Floppy file system translation (e.g.: FAT12 floppy ↔ USB key folder) Floppy disk images (e.g.: raw floppy ↔ .img/.iso USB key file)
FreeDOS 1.1, released on 2 January 2012, [12] is available for download as a CD-ROM image: a limited install disc that only contains the kernel and basic applications, and a full disc that contains many more applications (games, networking, development, etc.), not available as of November 2011 but with a newer, fuller 1.2. [13]
It is able to format floppy disks with a specified capacity of 1.4 megabytes with up to 1.7 megabytes of capacity (see also 2M). It also supports the Distribution Media Format used by Microsoft. To access such over-formatted floppies VGA-Copy delivered a special persistent DOS driver. VGA-Copy has the ability to compress images with the ARJ packer.
KryoFlux consists of a small hardware device, [4] [5] which is a software-programmable FDC system that runs on small ARM-based devices that connects to a floppy disk drive and a host PC over USB, and software for accessing the device. KryoFlux reads "flux transitions" from floppy disks at a very fine resolution. [6]
HDCopy is a disk image application for floppy disks that runs in MS-DOS.It can copy a floppy on the fly, or by using archives with IMG file extension that store the content of the disk with a proprietary file format (whose first three bytes noted in hexadecimal will be FF 18, and its size will be anything [clarify]).