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OCR: OPERATING SYSTEMS AND FILE MANAGEMENT 219 How does a disk get formatted? Today, most floppy and hard disks are preformatted at the factory CDs DVDs, and BDs are formatted by the utilities that you use when you copy data files to them Before you write data to CD DVD or BD you usually have the option of formatting it for master- ing o for packet writing. Disk mastering is the process of creating a CD, DVD, or BD by selecting all the files and then copying them in a single session The process can take some time especially when burning full DVD or BD Mastered discs are compatible with the largest number of computer optical drives and stand- alone players. Mastering also works well fyou want to burn several copies of disc Packet writing is a recording technology that lets you record I in multip ...