大侠们以下是我的硬盘分区情况，当时在分区时没有将空间完全进行分区，现在想将剩余空间利用起来，请问步骤是什么，谢谢了！
fdisk -l
Disk /dev/sda: 219.8 GB, 219884814336 bytes
255 heads, 63 sectors/track, 26732 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 64 514048+ 83 Linux
/dev/sda2 65 2675 20972857+ 83 Linux
/dev/sda3 2676 4715 16386300 82 Linux swap
/dev/sda4 4716 26732 176851552+ f Win95 Ext'd (LBA)
/dev/sda5 4716 6020 10482381 83 Linux
/dev/sda6 6021 7325 10482381 83 Linux
/dev/sda7 7326 8630 10482381 83 Linux
