ISO9960 – This is also a file system which was issued by ISO (International Organization for Standard) supporting various OS and helps in exchange of data.File Allocation Table (FAT) – It is a file system generally compatible with all file systems and helps in exchange of data between systems.HFS Plus – It was developed after HFS, which is an extension of the same.Earlier, these file systems were used in floppy disks and hard disks but later were used to read CD-ROM as well. Hierarchical File System (HFS) – This was developed by Apple Inc.The native disk format of Apple Mac DMG file is UDIF (Universal Disk Image Format) with a file extension of. This was previously used as the default format of Mac, also known as New Disk Format. Similarly, you have to eject the Mac drive for both the virtual and physical. It is equivalent to plugging in a removable drive, where E drive is automatically created and while removing one chooses ‘Safely Remove Device’. The Resource forks are very important as they contain Meta data regarding the file.
Hence, the usage of Resource fork dwindled and this was the reason that Apple created disk image formats(DMG). Mac could not transfer these Resource forks over the mixed networks. These are the part of file system on Mac Operating System, which consists of both the structured data and non-structured data. Earlier, Mac applications made use of Resource fork.
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