Filesystem Type Size Used Avail Use% Mounted on /dev/sda2 ext4 916G 27G 843G 4% /usr tmpfs tmpfs 2.7G 0 2.7G 0% /usr/share/runtime/share/themes none tmpfs 2.7G 68K 2.7G 1% /.flatpak-info tmpfs tmpfs 543M 104K 543M 1% /run/host/monitor udev devtmpfs 2.7G 0 2.7G 0% /dev tmpfs tmpfs 2.7G 0 2.7G 0% /dev/shm tmpfs tmpfs 2.7G 0 2.7G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 2.7G 0 2.7G 0% /home/XXXXXXXXXXXXXXX tmpfs tmpfs 2.7G 0 2.7G 0% /sys/fs/cgroup tmpfs tmpfs 2.7G 0 2.7G 0% /tmp/.X11-unix tmpfs tmpfs 543M 3.0M 540M 1% /run/systemd/journal/socket