Filesystem Size Used Avail Use% Mounted on devtmpfs 2.5G 0 2.5G 0% /dev tmpfs 2.5G 828K 2.5G 1% /dev/shm tmpfs 2.5G 1.3M 2.5G 1% /run tmpfs 2.5G 0 2.5G 0% /sys/fs/cgroup /dev/sda6 53G 37G 13G 75% / tmpfs 2.5G 8.0K 2.5G 1% /tmp tmpfs 497M 16K 497M 1% /run/user/XXX