Filesystem Type Size Used Avail Use% Mounted on /dev/sda1 ext4 458G 38G 397G 9% /usr tmpfs tmpfs 1.8G 0 1.8G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 1.8G 0 1.8G 0% /usr/share/runtime/share/themes none tmpfs 1.8G 72K 1.8G 1% /.flatpak-info tmpfs tmpfs 367M 76K 367M 1% /run/host/monitor udev devtmpfs 1.8G 0 1.8G 0% /dev tmpfs tmpfs 1.8G 0 1.8G 0% /dev/shm tmpfs tmpfs 1.8G 0 1.8G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 1.8G 0 1.8G 0% /home/XXXXXXXXXXXXXX tmpfs tmpfs 1.8G 0 1.8G 0% /sys/fs/cgroup tmpfs tmpfs 1.8G 0 1.8G 0% /tmp/.X11-unix tmpfs tmpfs 367M 1.4M 365M 1% /run/systemd/journal/socket