block device

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English

Noun

block device (plural block devices)

  1. (computing, Unix) An abstraction for buffered access to hardware devices, especially storage, where data is read or written in arbitrary-sized blocks.
    Coordinate term: character device
    • 2016, Joel Reardon, Secure Data Deletion, Springer, →ISBN, page 137:
      The network block device is a block device offered by Linux. It behaves as a normal block device that can be formatted with any block-based file system and mounted for use.

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