SOLVED

please see the bottom answer for my solution

After I use GParted to fix my partition(GParted ran well but my laptop shutt down because it ran out battery power and didn't finish the process copying my other partition, details),

I notice that I got 10GB increase in my Ubuntu partition, then I checked and found 1 suspicious file with size 140TB in /proc...

Is this a problem?

ubuntu 12.04 lts 64bit

UPDATE

I hope these details can help

sudo fdisk -l

OUTPUT

Disk /dev/sda: 1000.2 GB, 1000204886016 bytes

255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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: 0x00075eb1



   Device Boot      Start         End      Blocks   Id  System

/dev/sda1   *        2048      206847      102400    7  HPFS/NTFS/exFAT

/dev/sda2          206848   212719615   106256384    7  HPFS/NTFS/exFAT

/dev/sda3       212721664  1953519615   870398976    5  Extended

/dev/sda5       212725760   410556415    98915328   83  Linux

/dev/sda6      1937895424  1953519615     7812096   82  Linux swap / Solaris

/dev/sda7       410560512   508213247    48826368   83  Linux

/dev/sda8       508215296  1937888819   714836762    7  HPFS/NTFS/exFAT



Partition table entries are not in disk order

ADDED

I think the sudden increase 10GB in my Ubuntu partition is because unfinished GParted process, I currently have 27GB in used (when I right click in filesystem then check properties) , but disk analyzer says another thing(it says I am only using 12-13GB)