Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 16G 88K 16G 1% /.flatpak-info /dev/mapper/XXXXXXXXXX btrfs 465G 13G 452G 3% /usr tmpfs tmpfs 16G 0 16G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 16G 0 16G 0% /usr/share/runtime/share/themes udev devtmpfs 16G 0 16G 0% /dev tmpfs tmpfs 16G 0 16G 0% /dev/shm /dev/mapper/XXXXXXXXXX btrfs 465G 13G 452G 3% /.snapshots /dev/sda2 btrfs 477M 91M 342M 21% /boot/vmlinuz-4.19.0-13-amd64 /dev/mapper/XXXXXXXXXX btrfs 1.9T 196G 1.7T 11% /home /dev/dm-2 btrfs 1.9T 17M 1.9T 1% /mnt/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 16G 0 16G 0% /sys/fs/cgroup tmpfs tmpfs 16G 0 16G 0% /tmp/.X11-unix tmpfs tmpfs 3.2G 19M 3.2G 1% /run/systemd/journal/socket tmpfs tmpfs 16G 0 16G 0% /run/host/user-fonts-cache