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Block allocation map

Index Block allocation map

In computer file systems, a block allocation map is a data structure used to track disk blocks that are considered "in use". [1]

11 relations: Block (data storage), Block availability map, Commodore DOS, CP/M, Data cluster, Data structure, Design of the FAT file system, Directory (computing), File Allocation Table, File system, Sparse file.

Block (data storage)

In computing (specifically data transmission and data storage), a block, sometimes called a physical record, is a sequence of bytes or bits, usually containing some whole number of records, having a maximum length, a block size.

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Block availability map

In computer file systems, a block availability map (BAM) is a data structure used to track disk blocks that are considered free (available for new data).

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Commodore DOS

Commodore DOS, aka CBM DOS, is the disk operating system used with Commodore's 8-bit computers.

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CP/M

CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc.

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Data cluster

In computer file systems, a cluster or allocation unit is a unit of disk space allocation for files and directories.

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Data structure

In computer science, a data structure is a data organization and storage format that enables efficient access and modification.

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Design of the FAT file system

A FAT file system is a specific type of computer file system architecture and a family of industry-standard file systems utilizing it.

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Directory (computing)

In computing, a directory is a file system cataloging structure which contains references to other computer files, and possibly other directories.

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File Allocation Table

File Allocation Table (FAT) is a computer file system architecture and a family of industry-standard file systems utilizing it.

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File system

In computing, a file system or filesystem controls how data is stored and retrieved.

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Sparse file

In computer science, a sparse file is a type of computer file that attempts to use file system space more efficiently when the file itself is partially empty.

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References

[1] https://en.wikipedia.org/wiki/Block_allocation_map

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