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- AppleSingle_and_AppleDouble_formats abstract "AppleSingle Format and AppleDouble Format are file formats developed by Apple Computer to store Mac OS "dual-forked" files on the Unix filesystem being used in A/UX, Apple's first Unix-like operating system. AppleSingle combined both file forks and the related Finder meta-file information into a single file, whereas AppleDouble stored them as two separate files. Support for the formats was later added to Unix software such as NFS and MAE, but they saw little use outside this small market.AppleSingle is similar in concept to the more popular MacBinary format, in that the resource and data forks are combined together with a header containing the Finder information. In fact, the format is so similar there is no obvious reason why Apple did not simply use MacBinary instead, which by that point was widely known and used. Some not-so-obvious reasons are explained in http://tools.ietf.org/html/draft-newman-macbin-binhex-harmful-00. The format was later assigned the MIME type application/applefile.AppleDouble leaves the data fork in its original format, allowing it to be edited by normal Unix utilities. The resource fork and Finder information, both proprietary and lacking editors under Unix, were combined into a second file. A MIME type was also assigned to AppleDouble, multipart/appledouble. For sending to an AppleDouble un-aware system, the file was generally encoded using Base64, as opposed to being converted to AppleSingle.Before Mac OS X, AppleSingle and Double had little presence in the Mac market, due largely to the small market share of A/UX. Nevertheless they did force various file compression vendors to add support for the formats, and confuse future MacBinary versions.Mac OS X revived the use of AppleDouble; on file systems such as NFS and WebDAV that don't natively support resource forks, Finder information, or extended attributes, that information is stored in AppleDouble format, with the second file having a name generated by prepending "._" to the name of the first file (thus, this information acts as a hidden file when viewed from a non-Apple Unix-based operating system).Unwanted "._" files can be removed using dot_clean -m".
- AppleSingle_and_AppleDouble_formats wikiPageExternalLink AppleSingle_AppleDouble.pdf.
- AppleSingle_and_AppleDouble_formats wikiPageExternalLink macbinconv.
- AppleSingle_and_AppleDouble_formats wikiPageExternalLink draft-newman-macbin-binhex-harmful-00.
- AppleSingle_and_AppleDouble_formats wikiPageExternalLink TA20578.
- AppleSingle_and_AppleDouble_formats wikiPageExternalLink rfc1740.txt.
- AppleSingle_and_AppleDouble_formats wikiPageExternalLink Mac::AppleSingleDouble.
- AppleSingle_and_AppleDouble_formats wikiPageID "3743092".
- AppleSingle_and_AppleDouble_formats wikiPageRevisionID "583403125".
- AppleSingle_and_AppleDouble_formats hasPhotoCollection AppleSingle_and_AppleDouble_formats.
- AppleSingle_and_AppleDouble_formats subject Category:Apple_Inc._software.
- AppleSingle_and_AppleDouble_formats subject Category:Archive_formats.
- AppleSingle_and_AppleDouble_formats comment "AppleSingle Format and AppleDouble Format are file formats developed by Apple Computer to store Mac OS "dual-forked" files on the Unix filesystem being used in A/UX, Apple's first Unix-like operating system. AppleSingle combined both file forks and the related Finder meta-file information into a single file, whereas AppleDouble stored them as two separate files.".
- AppleSingle_and_AppleDouble_formats label "AppleSingle and AppleDouble formats".
- AppleSingle_and_AppleDouble_formats label "AppleSingle".
- AppleSingle_and_AppleDouble_formats sameAs AppleSingle.
- AppleSingle_and_AppleDouble_formats sameAs m.09ylj_.
- AppleSingle_and_AppleDouble_formats sameAs Q4781113.
- AppleSingle_and_AppleDouble_formats sameAs Q4781113.
- AppleSingle_and_AppleDouble_formats wasDerivedFrom AppleSingle_and_AppleDouble_formats?oldid=583403125.
- AppleSingle_and_AppleDouble_formats isPrimaryTopicOf AppleSingle_and_AppleDouble_formats.