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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).
The raw IMG file format is used by several tools: RaWrite and WinImage use the IMG disk image format to read and write floppy disk images. ImDisk and Virtual Floppy Drive can mount a raw image of a floppy disk to emulate a floppy drive under Microsoft Windows. Nero Burning ROM supports reading IMG files for creating bootable CDs.
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]).
Disk editors for home computers of the 1980s were often included as part of utility software packages on floppies or cartridges.The latter had the advantage of being instantly available at power-on and after resets, instead of having to be loaded or reloaded on the same disk drive that later would hold the floppy to be edited (the majority of home computer users possessed only one floppy disk ...
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)
A block, a contiguous number of bytes, is the minimum unit of storage that is read from and written to a disk by a disk driver.The earliest disk drives had fixed block sizes (e.g. the IBM 350 disk storage unit (of the late 1950s) block size was 100 six-bit characters) but starting with the 1301 [8] IBM marketed subsystems that featured variable block sizes: a particular track could have blocks ...
On Linux and NetBSD, which support the most common Amiga filesystems, ADF files can be mounted directly. There is a program called ADF Opus, which is a Microsoft Windows–based program that allows people to create their own ADF files. This program supports creating double density (880 KB ADF files, the most common) and high-density (1.76 MB ...
It can create an image file that is larger than 2 GB. (In GHOST 8.2 or earlier, such image files are automatically split into two or more segments, so that each segment has a maximum size of 2 GB.) Other new features include more comprehensive manufacturing tools, and the ability to create a "universal boot disk". [further explanation needed]