Disk /dev/sda: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders, total 41943040 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0006ba8f

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048    33554431    16776192   83  Linux
/dev/sda2        33556478    41940991     4192257    5  Extended
/dev/sda5        33556480    41940991     4192256   82  Linux swap / Solaris