FDISK /DEV/HDA :
Command (m for help): p

Disk /dev/hda: 203.9 GB, 203928109056 bytes
255 heads, 63 sectors/track, 24792 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hda1               1        2491    20008926    6  FAT16

Command (m for help):   

ALSO:

root@0[hda8]# pwd
/mnt/hda8
root@0[hda8]# ls
lost+found  pub  rescue  upload  usr