Manual page and help for the btrfs-property linux command. Btrfs property is a command to read / set / list the properties of a specific file system object. The object can be an inode (file or directory), a sub-volume, or the entire file system. For more information about the btrfs object and property, see the get sub-command. The btrfs property provides a unified and user-friendly way to tune various btrfs properties, instead of using the traditional method like chattr (1) or lsattr (1).