Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 7.8G 96K 7.8G 1% /etc/timezone /dev/mapper/XXXX btrfs 916G 784G 132G 86% /usr tmpfs tmpfs 7.8G 0 7.8G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 7.8G 0 7.8G 0% /usr/share/runtime/share/themes /dev/mapper/XXXX btrfs 916G 784G 132G 86% /mnt dev devtmpfs 7.8G 0 7.8G 0% /dev tmpfs tmpfs 7.8G 0 7.8G 0% /dev/shm /dev/mapper/XXXX btrfs 916G 784G 132G 86% /.snapshots /dev/mapper/XXXX btrfs 916G 784G 132G 86% /home /dev/mapper/XXXX btrfs 916G 784G 132G 86% /md /dev/mapper/XXXX btrfs 916G 784G 132G 86% /opt run tmpfs 7.8G 1.7M 7.8G 1% /run/media tmpfs tmpfs 7.8G 0 7.8G 0% /tmp/.X11-unix tmpfs tmpfs 7.8G 160K 7.8G 1% /tmp/.X11-unix/X1 tmpfs tmpfs 7.8G 0 7.8G 0% /run/host/user-fonts-cache