Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 2.9G 76K 2.9G 1% /.flatpak-info /dev/sda3 ext4 351G 35G 298G 11% /usr tmpfs tmpfs 2.9G 0 2.9G 0% /usr/share/runtime/share/themes tmpfs tmpfs 588M 56K 588M 1% /run/host/monitor udev devtmpfs 2.9G 0 2.9G 0% /dev tmpfs tmpfs 2.9G 0 2.9G 0% /dev/shm tmpfs tmpfs 2.9G 0 2.9G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 2.9G 0 2.9G 0% /home/XXXXXXXXXXXXXXX tmpfs tmpfs 2.9G 0 2.9G 0% /sys/fs/cgroup tmpfs tmpfs 2.9G 0 2.9G 0% /tmp/.X11-unix tmpfs tmpfs 588M 1.6M 587M 1% /run/systemd/journal/socket