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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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AppleSingle_and_AppleDouble_formats entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-07-03 and was most recently seen on 2026-07-03.
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, the Macintosh platform'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.
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This topic has recently gained attention due to increased public interest. Search activity and Wikipedia pageviews suggest growing global engagement.
Search interest data over the past 12 months indicates that this topic periodically attracts global attention. Sudden spikes often correlate with major news events, public statements, or geopolitical developments.