Dumpe2fs
dumpe2fs on komentoriviohjelma joka näyttää ext3- tai ext2-tiedostojärjestelmän käytössä olevat parametrit. Näitä parametrejä voi muuttaa tune2fs:n avulla.
Esimerkki
Tulostetaan osion /dev/sda1 tiedot lukuunottamatta tarkkoja tilanvaraustietoja.
kayttaja@kone:~$ sudo dumpe2fs -h /dev/sda1 dumpe2fs 1.40.2 (12-Jul-2007) Filesystem volume name: juuri Last mounted on: <not available> Filesystem UUID: 12345678-9012-3456-7890-deadbeef123 Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal resize_inode dir_index filetype needs_recovery sparse_super large_file Filesystem flags: signed directory hash Default mount options: (none) Filesystem state: clean Errors behavior: Continue Filesystem OS type: Linux Inode count: 9584640 Block count: 19159512 Reserved block count: 957975 Free blocks: 6399037 Free inodes: 9423027 First block: 0 Block size: 4096 Fragment size: 4096 Reserved GDT blocks: 1019 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 16384 Inode blocks per group: 512 Filesystem created: Sat Oct 13 10:53:49 2007 Last mount time: Sun Dec 16 10:03:20 2007 Last write time: Sun Dec 16 10:03:20 2007 Mount count: 27 Maximum mount count: 35 Last checked: Sat Oct 13 10:53:49 2007 Check interval: 15552000 (6 months) Next check after: Thu Apr 10 10:53:49 2008 Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 128 Journal inode: 8 First orphan inode: 6620064 Default directory hash: tea Directory Hash Seed: cafe1234-babe-5678-badb-abe12345678 Journal backup: inode blocks Journal size: 128M