Ext3's dumpe2fs

ext3_info_for_tmp_zeros

# /sbin/dumpe2fs /tmp/zeros
dumpe2fs 1.39 (29-May-2006)
Filesystem volume name:   <none>
Last mounted on:          <not available>
Filesystem UUID:          883f7cd8-c8cc-44cf-9e86-ba36519e4b49
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      resize_inode dir_index filetype sparse_super
Default mount options:    (none)
Filesystem state:         not clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              128
Block count:              1024
Reserved block count:     51
Free blocks:              986
Free inodes:              117
First block:              1
Block size:               1024
Fragment size:            1024
Reserved GDT blocks:      3
Blocks per group:         8192
Fragments per group:      8192
Inodes per group:         128
Inode blocks per group:   16
Filesystem created:       Wed Oct  9 14:42:29 2013
Last mount time:          Fri Oct 11 16:08:29 2013
Last write time:          Fri Oct 11 18:28:21 2013
Mount count:              2
Maximum mount count:      37
Last checked:             Wed Oct  9 14:42:29 2013
Check interval:           15552000 (6 months)
Next check after:         Mon Apr  7 14:42:29 2014
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:  	  128
Default directory hash:   tea
Directory Hash Seed:      dd5c49d9-c270-4fca-a141-b389183a6089


Group 0: (Blocks 1-1023)
  Primary superblock at 1, Group descriptors at 2-2
  Reserved GDT blocks at 3-5
  Block bitmap at 6 (+5), Inode bitmap at 7 (+6)
  Inode table at 8-23 (+7)
  878 free blocks, 116 free inodes, 2 directories
  Free blocks: 146-1023
  Free inodes: 13-128