Disk /dev/hdb: 20.0 GB, 20020396032 bytes
16 heads, 63 sectors/track, 38792 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hdb1   *           1       38792    19551136+  a5  FreeBSD