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Permissions and USB key drives
One easy way of getting sensible permissions when transferring files from a Windows PC to unix is to compress the file(s) before copying them from the PC to your external disk. I use zip/unzip which produces sensible permissions when unpacking on unix. I expect tar/gzip/bzip2 etc would do the same.
Permissions and USB key drives
spare disk image is great for protecting Mac OS X files on the DOS volumes of USB flash drive, but not useful for use in Mac OS 9. I binhex or zip files I need useful in OS 9 and 10. DOS volumes are not kind to Mac files of many types. Mostly applications (updaters) are what I put on my Lexar JumpShot Pro
Zip removes resource forks
plain tar,zip and bzip2 remove resource forks and meta data. you can use the apple Zip archive which preserves these. But none of these is as simple as a sparse image which does not require you to have to unzip, untar and delete the archives. also it gives you drag/drop and file level control over what you are copying over.
Zip removes resource forks
Here in almost-2011 it seems that tar no longer strips resource forks. Here's how I tested it on a folder containing pictures which have preview thumbnail resource fork data:
I stumbled over this because I'm *trying* to strip resource fork data from the bazillions of photos I have which are taking up space. What *does* strip resources is:
Which empties the resource fork to 0-length for all file with a name ending in ".jpg". Tailor as necessary, make backups beforehand, etc.
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