[X-Unix] So what is a dmg file?

[Doug McNutt]

.dmg  .smi   are two Apple disk image formats that are rather new.

How long will they be supported? Is it reasonable to use them for such things as archiving on a CD-ROM? Some of the older floppy image files that I once made can be unpacked only if I crank up my Mac IIFX for the job. Remember DropDisk?

For the last few years I have limited myself to ASCII text and things like tab separated columns instead of .xls for data. Now with UTF-8, 16, and 32 I'm worried about that.

Format-creep seems to be a modern buzzword. Is something like .dmg, with a promise from Apple, the answer? Don't we owe paleontologists of CY 3000 the equivalent of stone tablets?

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