Create a multiple partition, multi boot USB Flash drive under Windows. First, use Ease. Us Partition Master to create up to 4 Primary not Logical partitions on your target UFD. If you intend to run DOS, I would suggest you first create a small 2. GB maximum FAT3. UFD. If you intend to run a version of Linux that does not support NTFS, then also create a larger FAT3. If you intend to run Windows XP, Vista, Win. Win. 8, then I would suggest a large NTFS or FAT3. Dont forget to click on the Apply button at the top or changes will not take place You can also use Boot. Ice to do this if you prefer. LSoft Technologies. Active Boot Disk part of Data StudioActive Boot Disk is a complete and functioning computer operating system on CDDVDUSB disk. You simply insert a boot disk into your computer, and reboot. While a live CD does not modify the operating system already installed on a computers hard drive, it includes many tools to boot up a computer and fix most startup, PC configuration, and system management problems. Active Boot Disk is based on lightweight Windows 8, SP1 Win. PE 5. 1 operating system environment and supports 6. It contains disk image, data recovery, password resetting, data erasure, network access tools and system utilities. Active Boot Disk is a custom configured system. Necessary drivers and scripts can be installed. One may add an alternate language keyboard layout. Boots both UEFI x.