Filesystem Type Size Used Avail Use% Mounted on devtmpfs devtmpfs 10M 0 10M 0% /dev tmpfs tmpfs 1.9G 0 1.9G 0% /dev/shm tmpfs tmpfs 1.9G 1.0M 1.9G 1% /run /dev/sda2 btrfs 924G 499G 422G 55% / cgroup_root tmpfs 10M 0 10M 0% /sys/fs/cgroup tmpfs tmpfs 389M 0 389M 0% /run/user/0 tmpfs tmpfs 389M 4.0K 389M 1% /run/user/XXXX