Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 7.8G 104K 7.8G 1% /etc/timezone /dev/sdb3 btrfs 269G 80G 188G 30% /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/lib/plugins tmpfs tmpfs 7.8G 0 7.8G 0% /usr/share/runtime/share/themes /dev/sdb3 btrfs 269G 80G 188G 30% /home tmpfs tmpfs 1.6G 248K 1.6G 1% /run/host/monitor devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 7.8G 0 7.8G 0% /dev/shm /dev/sdb4 fuseblk 196G 50G 146G 26% /backup tmpfs tmpfs 7.8G 0 7.8G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 7.8G 0 7.8G 0% /home/XXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.1G 1.7M 3.1G 1% /run/media tmpfs tmpfs 7.8G 0 7.8G 0% /tmp/.X11-unix