Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 2.6G 0 2.6G 0% /dev tmpfs tmpfs 539M 1.2M 538M 1% /run /dev/sda1 ext4 915G 8.1G 861G 1% / tmpfs tmpfs 2.7G 25M 2.7G 1% /dev/shm tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock tmpfs tmpfs 539M 24K 539M 1% /run/user/XXXX