Filesystem Type Size Used Avail Use% Mounted on /dev/sdb5 ext4 64G 37G 25G 60% /usr tmpfs tmpfs 3.5G 0 3.5G 0% /usr/share/runtime/share/themes /dev/sdb5 ext4 3.5G 68K 3.5G 1% /etc/ld.so.conf tmpfs tmpfs 698M 164K 698M 1% /run/host/monitor udev devtmpfs 3.4G 0 3.4G 0% /dev tmpfs tmpfs 3.5G 0 3.5G 0% /dev/shm /dev/sdb1 ext4 361M 85M 254M 26% /boot/vmlinuz-4.15.0-54-generic tmpfs tmpfs 3.5G 0 3.5G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.5G 0 3.5G 0% /home/XXXXXXXXXXXXXX tmpfs tmpfs 3.5G 0 3.5G 0% /sys/fs/cgroup tmpfs tmpfs 3.5G 0 3.5G 0% /tmp/.X11-unix tmpfs tmpfs 698M 1.6M 697M 1% /run/systemd/journal/socket