Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 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: 0x00033281

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1            2048    48828415    24413184   83  Linux
/dev/sda2        48828416    54687743     2929664   82  Linux swap / Solaris
/dev/sda3        54687744   488396799   216854528   83  Linux