fsck per sda1

xubuntu@xubuntu:~$ sudo fsck -fv /dev/sda1
fsck from util-linux 2.20.1
e2fsck 1.42 (29-Nov-2011)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

  142370 inodes used (5.90%)
      30 non-contiguous files (0.0%)
     110 non-contiguous directories (0.1%)
         # of inodes with ind/dind/tind blocks: 0/0/0
         Extent depth histogram: 111001/2
  790761 blocks used (8.20%)
       0 bad blocks
       1 large file

   94067 regular files
   11840 directories
      57 character device files
      25 block device files
       0 fifos
       2 links
   36372 symbolic links (31277 fast symbolic links)
       0 sockets
--------
  142363 files