UUI offers a more practical method than DD through the use of an exFAT partition for storing bootable ISO files and block images, along with a separate hidden secondary FAT boot partition which is used to boot those files. However, if the filesystem used by the CD/DVD image supports expansion, it may be possible to recover lost USB drive space or storage capacity by extending the space and creating another partition to use for storage. This process causes the drive to appear limited to the size of the chosen ISO file which can prevent you from continuing to use the drive for storage purposes.

The DD method of copying, also commonly referred to as 'Data Destroyer' works by overwriting the entire file system on a flash drive with that of a CD or DVD image. Some boot from USB tools use simple DD (Disk/Data Duplicator) copy and convert commands to directly burn ISO to USB. Universal USB Installer easy as 123 - Showing ISO to USB File Copying Progress Once finished, you should have a ready to run Live USB containing the Live operating system, Windows installer, or system diagnostics utility, or advanced system cleaner tool you previously selected. Simply select your target flash drive, choose your distribution from the list, browse to the ISO file (or choose to download the ISO), and then click Create. Using this open source USB boot maker software is easy as 123. UUI - Universal USB Installer software - create bootable USB from ISO Universal USB Installer | Easily Make Bootable USB You can even use UUI to fully install, boot, and run Windows entirely from USB.

The most popular antivirus scanners, disk cloning software, penetration testing, and system diagnostic tools can be stored on and configured to boot from the same single multisystem bootable pendrive. Take all your favorite Live Linux distributions, Windows Installers, system recovery, backup, and diagnostic tools with you, capable of booting from one USB drive.

It enables you to boot from USB Windows setup installers, Linux operating systems, stand alone Antivirus software, along with several system diagnostic and PC repair tools. This ISO to USB utility allows you to easily create a multisystem bootable USB from ISO files. The Universal USB Installer (Imager), also known as UUI, is USB bootable pendrive software.

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