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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 ...
Rufus was originally designed [5] as a modern open source replacement for the HP USB Disk Storage Format Tool for Windows, [6] which was primarily used to create DOS bootable USB flash drives. The first official release of Rufus, version 1.0.3 (earlier versions were internal/alpha only [ 7 ] ), was released on December 04, 2011, with originally ...
Two experimental, unofficial solutions are available for DOS. The loadable USBEXFAT driver requires Panasonic's USB stack for DOS and only works with USB storage devices; the open-source EXFAT executable is an exFAT file-system reader and requires the HX DOS extender to work. [75]
Metadata (up to v2.50) and file data is addressed more or less directly. In writing to such a disk in this format, any physical block on the disk may be chosen for allocation of new or updated files. Since this is the basic format, practically any operating system or file system driver claiming support for UDF should be able to read this format.
exFAT is a file system introduced with Windows Embedded CE 6.0 in November 2006 and brought to the Windows NT family with Vista Service Pack 1 and Windows XP Service Pack 3 (or separate installation of Windows XP Update KB955704). It is loosely based on the File Allocation Table architecture, but incompatible, proprietary and protected by patents.
It was introduced in 2010, [2] and is primarily designed to recover deleted or lost files from hard disk drives, USB flash drives and SSD drives with the help of Recovery Vault [3] technology. While Disk Drill was originally exclusive to the Mac, a Windows version was released in 2015. [4]
The USB mass storage device class (also known as USB MSC or UMS) is a set of computing communications protocols, specifically a USB Device Class, defined by the USB Implementers Forum that makes a USB device accessible to a host computing device and enables file transfers between the host and the USB device. To a host, the USB device acts as an ...
IsoBuster: recovers data from optical discs, USB sticks, flash drives and hard drives; Mac Data Recovery Guru: Mac OS X data recovery program which works on USB sticks, optical media, and hard drives; MiniTool Partition Wizard: for Windows 7 and later; includes data recovery; Norton Utilities: a suite of utilities that has a file recovery component