Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 16G 88K 16G 1% /etc/timezone /dev/sdb2 btrfs 466G 151G 314G 33% /usr tmpfs tmpfs 16G 0 16G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 16G 0 16G 0% /usr/share/runtime/share/themes /dev/sdb2 btrfs 466G 151G 314G 33% /mnt /dev/sdb2 btrfs 466G 151G 314G 33% /home tmpfs tmpfs 3.2G 164K 3.2G 1% /run/host/monitor devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 16G 0 16G 0% /dev/shm /dev/sdb2 btrfs 466G 151G 314G 33% /.snapshots tmpfs tmpfs 16G 0 16G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 16G 0 16G 0% /home/XXXXXXXXXXXXXXXX /dev/sdb2 btrfs 466G 151G 314G 33% /opt tmpfs tmpfs 6.3G 11M 6.3G 1% /run/media /dev/sdb2 btrfs 466G 151G 314G 33% /srv tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup /dev/sdb2 btrfs 466G 151G 314G 33% /run/host/usr/local tmpfs tmpfs 16G 0 16G 0% /tmp/.X11-unix /dev/sdb2 btrfs 466G 151G 314G 33% /tmp/.X11-unix/X0