B-tree file system, next-generation Linux file system

Btrfs is the next-generation file system, which adds integrated support for

  • checksums
  • subvolumes and snapshots
  • transparent compression and encryption
  • copy-on-write
  • ation
  • mirroring and striping across multiple physical disks
  • transactions

Btrfs is comparable to, and shares many design goals with, Sun's .

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