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What does an image mean?

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Anonymous

12y ago
Updated: 12/12/2022

Most downloaded software for Mac is distributed using disk image (.dmg) files. When a .dmg downloads, it will 'mount,' meaning that it makes its content accessible via the Finder (the desktop) so that the user can either install or view the contents (just as if it were an actual disk). When the user is finished with the contents of the 'virtual disk,' it can then be 'ejected' and the .dmg file can be deleted. The same process occurs when an actual external drive (USB or Firewire HD, flash drive, or other media) is connected, although those devices actually mount, rather than virtually.

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