想把/dev/sda3 resize一下，弄大一点。往左resize，Linux自己的起始点跑掉了~
/dev/sda3 是我的/。往右移动则M$ Windows 7起始点被站掉。 /dev/sda2有很多空地方
，而/dev/sda3 几乎满了。在不安装LVM等情况下，也不移动现有的数据的情况下（减少
写操作），有没有比较好的办法呢？
sudo fdisk -l /dev/sda
Disk /dev/sda: 128.0 GB, 128035676160 bytes
255 heads, 63 sectors/track, 15566 cylinders, total 250069680 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x000c2bf5
Device Boot Start End Blocks Id System
/dev/sda1 2048 206847 102400 83 Linux
/dev/sda2 206848 81919999 40856576 7 HPFS/NTFS/exFAT
/dev/sda3 81920000 106495999 12288000 83 Linux
祝好，
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He who is worthy to receive his days and nights is worthy to receive* all
else* from you (and me).
The Prophet, Gibran Kahlil