Matches in DBpedia 2016-04 for { ?s ?p "In computer file systems, a block allocation map is a data structure used to track disk blocks that are considered \"in use\". Blocks may also be referred to as allocation units or clusters.CP/M used a block allocation map in its directory. Each directory entry could list 8 or 16 blocks (depending on disk format) that were allocated to a file. If a file used more blocks, additional directory entries would be needed. Thus, a single file could have multiple directory entries. A benefit of this method is the possibility to use sparse files by declaring a large file size but only allocating blocks that are actually used. A detriment of this method is the disk may have free space (unallocated blocks) but data cannot be appended to a file because all directory entries are used."@en }
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- Block_allocation_map abstract "In computer file systems, a block allocation map is a data structure used to track disk blocks that are considered \"in use\". Blocks may also be referred to as allocation units or clusters.CP/M used a block allocation map in its directory. Each directory entry could list 8 or 16 blocks (depending on disk format) that were allocated to a file. If a file used more blocks, additional directory entries would be needed. Thus, a single file could have multiple directory entries. A benefit of this method is the possibility to use sparse files by declaring a large file size but only allocating blocks that are actually used. A detriment of this method is the disk may have free space (unallocated blocks) but data cannot be appended to a file because all directory entries are used.".