Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 252G 0 252G 0% /dev tmpfs tmpfs 51G 1.9M 51G 1% /run /dev/sda4 ext4 233G 2.5G 218G 2% / tmpfs tmpfs 252G 0 252G 0% /dev/shm tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock /dev/sda2 ext2 227M 105M 110M 49% /boot /dev/sda1 vfat 285M 5.9M 279M 3% /boot/efi tmpfs tmpfs 51G 0 51G 0% /run/user/0 /dev/md0 ext4 3.6T 28K 3.4T 1% /mnt/XXXXXXXXXXXX