Filesystem Type Size Used Avail Use% Mounted on devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 3.9G 37M 3.9G 1% /dev/shm tmpfs tmpfs 1.6G 12M 1.6G 1% /run /dev/sda1 btrfs 120G 11G 108G 9% / tmpfs tmpfs 3.9G 2.0M 3.9G 1% /tmp tmpfs tmpfs 795M 100K 795M 1% /run/user/XXX