Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 7.8G 88K 7.8G 1% /etc/timezone /dev/sda1 ext4 900G 17G 838G 2% /usr tmpfs tmpfs 7.8G 0 7.8G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 1.6G 140K 1.6G 1% /run/host/monitor dev devtmpfs 7.8G 0 7.8G 0% /dev tmpfs tmpfs 7.8G 0 7.8G 0% /dev/shm tmpfs tmpfs 7.8G 0 7.8G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 7.8G 0 7.8G 0% /home/XXXXXXXXXXXXX run tmpfs 7.8G 1.6M 7.8G 1% /run/media /dev/sdc1 fuseblk 3.7T 803G 2.9T 22% /run/media/XXXXXXX Book tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup tmpfs tmpfs 7.8G 0 7.8G 0% /tmp/.X11-unix