btrfs

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

• Create subvolume:

sudo btrfs {{[su|subvolume]}} {{[c|create]}} {{path/to/subvolume}}

• List subvolumes:

sudo btrfs {{[su|subvolume]}} {{[l|list]}} {{path/to/mount_point}}

• Show space usage information:

sudo btrfs {{[f|filesystem]}} df {{path/to/mount_point}}

• Enable quota:

sudo btrfs {{[qu|quota]}} {{[e|enable]}} {{path/to/subvolume}}

• Show quota:

sudo btrfs {{[qg|qgroup]}} {{[s|show]}} {{path/to/subvolume}}