Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 3.9G 76K 3.9G 1% /.flatpak-info /dev/sda1 ext4 454G 33G 398G 8% /usr tmpfs tmpfs 3.9G 0 3.9G 0% /usr/share/runtime/share/themes tmpfs tmpfs 787M 80K 787M 1% /run/host/monitor udev devtmpfs 3.8G 0 3.8G 0% /dev tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs tmpfs 3.9G 0 3.9G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.9G 0 3.9G 0% /home/XXXXXXXXXXXXX tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup tmpfs tmpfs 3.9G 0 3.9G 0% /tmp/.X11-unix tmpfs tmpfs 787M 1.8M 785M 1% /run/systemd/journal/socket