Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 7.9G 88K 7.9G 1% /etc/timezone /dev/sda2 btrfs 186G 19G 167G 10% /usr tmpfs tmpfs 7.9G 0 7.9G 0% /usr/lib/x86_64-linux-gnu/GL /dev/sda4 ext4 273G 33G 227G 13% /home tmpfs tmpfs 1.6G 212K 1.6G 1% /run/host/monitor udev devtmpfs 7.8G 0 7.8G 0% /dev tmpfs tmpfs 7.9G 0 7.9G 0% /dev/shm /dev/sde2 ext4 458G 52G 383G 12% /back /dev/sde1 ext4 458G 28K 434G 1% /data tmpfs tmpfs 7.9G 0 7.9G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 7.9G 0 7.9G 0% /home/XXXXXXXXXXXXXX /dev/sdd1 ext4 456G 297G 136G 69% /nix-500 tmpfs tmpfs 7.9G 0 7.9G 0% /tmp/.X11-unix tmpfs tmpfs 1.6G 3.3M 1.6G 1% /run/systemd/journal/socket