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It also allows the installation of MS-DOS or FreeDOS onto a flash drive as well as the creation of Windows To Go bootable media. [10] It supports formatting flash drives using FAT, FAT32, NTFS, exFAT, UDF and ReFS filesystems. [11] Rufus can also be used to compute the MD5, SHA-1 and SHA-256 hashes of the currently selected image.
Ventoy is a free and open-source utility used for creating bootable usb media storage device with files such as .iso, .wim, .img, .vhd(x), and .efi.Once Ventoy is installed onto a USB drive, there is no need to reformat the disk to update it with new installation files; it is enough to copy the .iso, .wim, .img, .vhd(x), or .efi file(s) to the USB drive and boot from them directly.
Multiboot is environmental technology since it requires only a single storage device to boot multiple files. " Persistence " is the ability, for a Linux Live distribution, to save the changes (to e.g. software, documents, parameters, etc) in the live USB across reboots.
Images can be made while Windows is running, rather than only when booted directly into DOS mode. Incremental images (containing only changes since the last image) are supported. Requires Product Activation in order to function fully. The bootable environment on the GHOST 9 CD is only useful for recovery of existing backups.
Likewise, the IO.SYS of the older system is named IO.DOS for as long as Windows 9x is active. DR-DOS 7.06 (only this version) also follows this scheme and the IO.SYS filename in order to become bootable via MS-DOS boot sectors. Similarly, FreeDOS uses a combined system file as well, but names it KERNEL.SYS.
To repair a computer with booting issues, technicians often use lightweight operating systems on bootable media and a command-line interface.The development of the first live CDs with graphical user interface made it feasible for non-technicians to repair malfunctioning computers.
Starting with Windows 10, the ability to create a MS-DOS startup disk has been removed, and so either a virtual machine running MS-DOS or an older version (in a virtual machine or dual boot) must be used to format a floppy disk, or an image must be obtained from an external source.
Different operating systems use different boot disk contents. All boot disks must be compatible with the computer they are designed for. MS-DOS/PC DOS/DR-DOS. A valid boot sector in form of a volume boot record (VBR) IO.SYS or IBMBIO.COM; MSDOS.SYS or IBMDOS.COM; COMMAND.COM; All files must be for the same version of the operating system.