Command (m for help): p

Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1        3891    31254426   83  Linux
/dev/sda2            3892        4152     2096482+  82  Linux swap / Solaris
/dev/sda3            4153       60801   455033092+   5  Extended
/dev/sda5            4153       60801   455033061   83  Linux

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.

WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table.
The new table will be used at the next reboot.
Syncing disks.
chris@skywalker:~$