You should create an emergency Mac OS boot device any time you are going to be working on your computer’s hard drive or installing a new version of the operating system. In What Instances Do I Need To Create An Emergency Mac OS Boot Device? In short, USB flash drives are easy to use and very convenient at the same time. Finally, most modern computers have USB ports, so you will not need any special adapters or cables to use a flash drive. First, flash drives are small and easy to carry around with you. There are several reasons why you might want to use a USB flash drive to create an emergency Mac OS boot device. The current version of ImageUSB is v (2449 KB).RELATED : How To Add A Folder To The Favorites In Mac Finder: A Step-by-Step Guide Why Use A USB Flash Drive? In this scenario, users will need to reformat the UFD in order to access the rest of the storage space. For example, if a 2GB image is copied to an 8GB USB Flash Drive, the drive will only be able to use two out of the eight gigabytes of storage space. Warning: Due to the forensic nature of image duplication by ImageUSB, please ensure that you select UFDs with a storage size similar to the image you wish to duplicate. As of V1.5, imageUSB now supports extraction of ISO contents onto USB Drive. A reformat can recover the drive however. So the direct imaging of ISO9660, Joliet or UDF file system, from a CD, to a USB drive, might not allow the USB drive to function in all operating systems.

(*) CD ISO images use a different file systems compared to USB drives. In addition, imageUSB has the ability to reformat even hard to format drives and reclaim any disk space that may be lost previously. Or alternatively to just Zero the MBR and/or GPT entries that exists on the drive. This will replace the contents of the entire drive with 0s. ImageUSB includes functionality to Zero a USB Flash Drive. ImageUSB can perform flawless mass duplications of all UFD images, including bootable UFDs.

Unlike other USB duplication tools, ImageUSB can preserve all unused and slack space during the cloning process, including the Master Boot Record (MBR). ImageUSB can also be used to install OSFClone to a USB Drive for use with PassMark OSForensics™. ImageUSB also supports writing of an ISO file byte by byte directly to an USB drive (*). Capable of creating exact bit-level copies of USB Flash Drive (UFDs), ImageUSB is an extremely effective tool for the mass duplication of UFDs. ImageUSB is a free utility which lets you write an image concurrently to multiple USB Flash Drives.

Usb flash mac