Disk space usage

Use df command to get disk space usage:

df -H

Output:

Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1        33G  1.7G   29G   6% /
udev            910M  8.2k  910M   1% /dev
tmpfs           366M  246k  366M   1% /run
none            5.3M     0  5.3M   0% /run/lock
none            914M     0  914M   0% /run/shm
/dev/sdc1       172G  4.8G  159G   3% /home/git/repositories
/dev/sdb1        76G  1.3G   71G   2% /mnt/resource