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A filesystem based on the copy-on-write (COW) principle for Linux. Some subcommands such as btrfs device have their own usage documentation. More information:

  • Create subvolume:

sudo btrfs subvolume create {{path/to/subvolume}}

  • List subvolumes:

sudo btrfs subvolume list {{path/to/mount_point}}

  • Show space usage information:

sudo btrfs filesystem df {{path/to/mount_point}}

  • Enable quota:

sudo btrfs quota enable {{path/to/subvolume}}

  • Show quota:

sudo btrfs qgroup show {{path/to/subvolume}}