Filesystem Type Size Used Avail Use% Mounted on devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 7.8G 76K 7.8G 1% /dev/shm tmpfs tmpfs 3.1G 4.0M 3.1G 1% /run /dev/sdb3 btrfs 446G 4.8G 440G 2% / tmpfs tmpfs 7.8G 8.0K 7.8G 1% /tmp /dev/sdb3 btrfs 446G 4.8G 440G 2% /home /dev/sdb2 ext4 974M 171M 736M 19% /boot /dev/sdb1 vfat 599M 14M 585M 3% /boot/efi tmpfs tmpfs 1.6G 188K 1.6G 1% /run/user/XXXX