Apple Disk Image
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* [[Wikipedia:Apple Disk Image|Wikipedia article]] | * [[Wikipedia:Apple Disk Image|Wikipedia article]] | ||
* [http://newosxbook.com/DMG.html Format discussion] | * [http://newosxbook.com/DMG.html Format discussion] | ||
| − | * [http://apple2.org.za/gswv/a2zine/Docs/DiskImage_2MG_Info.txt 2MG | + | * [http://apple2.org.za/gswv/a2zine/Docs/DiskImage_2MG_Info.txt 2MG format documentation] |
* [http://apple2.org.za/gswv/a2zine/faqs/Csa2FLUTILS.html#006 What are DSK, NIB, 2MG, HDV,... disk image files & how do I use them?] | * [http://apple2.org.za/gswv/a2zine/faqs/Csa2FLUTILS.html#006 What are DSK, NIB, 2MG, HDV,... disk image files & how do I use them?] | ||
[[Category:Macintosh]] | [[Category:Macintosh]] | ||
[[Category:Apple II series]] | [[Category:Apple II series]] | ||
Revision as of 00:13, 27 March 2013
The Apple Disk Image format is a MacOS, OS X, and Apple II disk image format family (which may be stored in DSK (Apple II) or nibblized disk image format) preceded by a prefix giving format information, and often a trailer with comments and other metadata. The prefix begins with the bytes corresponding to the ASCII string "2IMG". The trailer usually has the ASCII string "koly" at the start of it.
Usually the extension .dmg is used for current OS X images, but .smi (Self-Mounting Image) and .img are also used (mostly for old MacOS disks), and .2mg was used for Apple II series disks (which can come in DOS 3.3 or ProDOS sector order).
Mac systems are able to mount these files as if they were separate disk units, and access their files through the Finder this way.
