Filesystem Type Size Used Avail Use% Mounted on devtmpfs devtmpfs 10M 0 10M 0% /dev tmpfs tmpfs 20G 42M 19G 1% /dev/shm tmpfs tmpfs 20G 1.7M 20G 1% /run /dev/dm-0 btrfs 477G 20G 455G 5% / XXXXXXXX XXXXXXXX 248K 159K 84K 66% XXXXXXXXXXXXXXXXXXXXXXXXX cgroup_root tmpfs 10M 0 10M 0% /sys/fs/cgroup /dev/dm-0 btrfs 477G 20G 455G 5% /home /dev/dm-0 btrfs 477G 20G 455G 5% /etc /dev/dm-0 btrfs 477G 20G 455G 5% /var /dev/dm-0 btrfs 477G 20G 455G 5% /.snapshots tmpfs tmpfs 28G 0 28G 0% /var/tmp/portage tmpfs tmpfs 3.9G 12K 3.9G 1% /run/user/XXXX