[root@ls1 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 2.9G 0 2.9G 0% /dev
tmpfs 2.9G 0 2.9G 0% /dev/shm
tmpfs 2.9G 38M 2.9G 2% /run
tmpfs 2.9G 0 2.9G 0% /sys/fs/cgroup
/dev/sda3 92G 74G 19G 81% /
/dev/sda1 950M 139M 811M 15% /boot