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46:. 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
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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.
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that are considered "in use". Blocks may also be referred to as allocation units or
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122:(Second ed.). Monterey, CA: Digital Research, Inc. 1983. p. 2-12,3-16.
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105:(Second ed.). Monterey, CA: Digital Research, Inc. 1983. p. 41.
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120:CP/M Plus Operating System Programmer's Guide
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42:used a block allocation map in its
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83:Design of the FAT file system
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205:Computer storage stubs
149:-related article is a
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
