5.3.1.3.4. EXT2 Superblock Information
> tune2fs -l /dev/hda1
tune2fs 1.35 (28-Feb-2004)
Filesystem volume name: /
Last mounted on: (not available)
Filesystem UUID: 7404a4b8-84f5-11d6-9629-99bdda41ad84
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr dir_index filetype
needs_recovery sparse_super large_file
Default mount options: (none)
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 24903680
Block count: 49785427
Reserved block count: 1024
Free blocks: 8828311
Free inodes: 23896298
First block: 0
Block size: 4096
Fragment size: 4096
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 16384
Inode blocks per group: 512
Last mount time: Tue Mar 15 21:21:31 2005
Last write time: Tue Mar 15 21:21:31 2005
Mount count: 28
Maximum mount count: -1
Last checked: Wed Dec 22 11:55:23 2004
Check interval: 0 (none)
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 128
Journal inode: 8
First orphan inode: 328593
Default directory hash: tea
Directory Hash Seed: b099544d-7257-456c-8666-4c646f123e16
Journal backup: inode blocks