Get disk space on available drives using CMD

The following command can be used.
wmic logicaldisk get size,freespace,caption

Example output:
Caption FreeSpace Size
C: 10293153792 42949668864
D: 38401937408 74088181760
E: 37109010432 42686476288

Sources

• http://social.technet.microsoft.com/Forums/windowsserver/en-US/a2f8e48e-38fc-4bc6-9e0e-e7cedea83d66/hard-disk-information-from-command-prompt?forum=winservergen