Matches in DBpedia 2016-04 for { ?s ?p "The Advanced Disc Filing System (ADFS) is a computing file system particular to the Acorn computer range and RISC OS-based successors. Initially based on the rare Acorn Winchester Filing System, it was renamed to the Advanced Disc Filing System when support for floppy discs was added (utilising a WD1770 floppy disc controller) and on later 32-bit systems a variant of a PC-style floppy controller.Acorn's original Disc Filing System was limited to 31 files per disk surface, 7 characters per file name and a single character for directory names, a format inherited from the earlier Atom and System 3–5 Eurocard computers. To overcome some of these restrictions Acorn developed ADFS. The most dramatic change was the introduction of a hierarchical directory structure. The filename length increased from 7 to 10 letters and the number of files in a directory expanded to 47. It retained some superficial attributes from DFS; the directory separator continued to be a dot and $ now indicated the hierarchical root of the filesystem. \"^\" (minus the quotes) was used to refer to the parent directory and \"\\\" was the previously-visited directory.The BBC Master Compact contained ADFS Version 2.0, which provided the addition of format, verify and backup commands in ROM."@en }
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- Advanced_Disc_Filing_System abstract "The Advanced Disc Filing System (ADFS) is a computing file system particular to the Acorn computer range and RISC OS-based successors. Initially based on the rare Acorn Winchester Filing System, it was renamed to the Advanced Disc Filing System when support for floppy discs was added (utilising a WD1770 floppy disc controller) and on later 32-bit systems a variant of a PC-style floppy controller.Acorn's original Disc Filing System was limited to 31 files per disk surface, 7 characters per file name and a single character for directory names, a format inherited from the earlier Atom and System 3–5 Eurocard computers. To overcome some of these restrictions Acorn developed ADFS. The most dramatic change was the introduction of a hierarchical directory structure. The filename length increased from 7 to 10 letters and the number of files in a directory expanded to 47. It retained some superficial attributes from DFS; the directory separator continued to be a dot and $ now indicated the hierarchical root of the filesystem. \"^\" (minus the quotes) was used to refer to the parent directory and \"\\\" was the previously-visited directory.The BBC Master Compact contained ADFS Version 2.0, which provided the addition of format, verify and backup commands in ROM.".