How to check free disk space on an Ubuntu 14.04 machine ?
$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda6 207G 48G 148G 25% / none 4.0K 0 4.0K 0% /sys/fs/cgroup udev 1.9G 4.0K 1.9G 1% /dev tmpfs 384M 1.2M 383M 1% /run none 5.0M 0 5.0M 0% /run/lock none 1.9G 16M 1.9G 1% /run/shm none 100M 56K 100M 1% /run/user
