Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1       2.3G  1.1G  1.1G  51% /
devtmpfs        502M     0  502M   0% /dev
tmpfs           504M   28K  504M   1% /dev/shm
tmpfs           504M   21M  484M   5% /run
tmpfs           504M     0  504M   0% /sys/fs/cgroup
tmpfs           504M  8.8M  495M   2% /tmp
tmpfs           101M     0  101M   0% /run/user/196791
/dev/sda3       2.7T  2.5T  280G  90% /volume1