Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 7.8G 0 7.8G 0% /dev tmpfs tmpfs 1.6G 1.3M 1.6G 1% /run /dev/sda3 ext4 42G 18G 23G 44% / tmpfs tmpfs 7.8G 0 7.8G 0% /dev/shm tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock tmpfs tmpfs 7.8G 20K 7.8G 1% /tmp tmpfs tmpfs 1.6G 56K 1.6G 1% /run/user/XXXX