Do not use UNetBootIn to write ISO files to flashdrives. UNetBootIn modifies the bootloader configuration, which is bad. You can use this instead (where /dev/sdX is your flashdrive and file.iso is a BlackArch ISO):
Do not use UNetBootIn to write ISO files to flashdrives. UNetBootIn modifies the bootloader configuration, which is bad. You can use this instead (where /dev/sdX is your flashdrive and file.iso is a BlackArch ISO):