Command to find filesystem type

file -sL /dev/sda7
Sample Output
/dev/sda7: Linux rev 1.0 ext4 filesystem data, UUID=5d91866d-17c4-4187-839e-0bf45619ca83 (needs journal recovery) (extents) (large files) (huge files)

-1
2012-12-20 07:38:20

7 Alternatives + Submit Alt

  • file(1) can print details about certain devices in the /dev/ directory (block devices in this example). This helped me to know at a glance the location and revision of my bootloader, UUIDs, filesystem status, which partitions were primaries / logicals, etc.. without running several commands. See also: file -s /dev/dm-* file -s /dev/cciss/* etc.. Show Sample Output


    24
    file -s /dev/sd*
    mhs · 2010-12-28 09:56:03 0
  • Shows all block devices in a tree with descruptions of what they are.


    3
    lsblk -o NAME,TYPE,FSTYPE,LABEL,SIZE,MODEL,MOUNTPOINT
    BasketCase · 2012-09-12 15:30:25 0
  • `blkid` is an interface to libuuid - it can read Device Mapper, EVMS, LVM, MD, and regular block devices. -c /dev/null - Do not use cached output from /etc/blkid.tab or /etc/blkid/blkid.tab (RHEL) -i - Display I/O Limits (aka I/O topology) information (not available in RHEL) -p - Low-level superblock probing mode (not available in RHEL) Show Sample Output


    2
    blkid -c /dev/null
    mhs · 2012-09-12 13:34:41 2

  • 0
    sudo file -bs /dev/sda | sed -e 's/.*partition 1\(.*\) code offset.*/partition 1\1/g' -e 's/\(.\);/\1\n/g'
    jlaunay · 2012-08-17 12:54:05 2
  • Another alternative to blkid, lsblk, file -s, cat /proc/paritions, fdisk -l, etc.. Show Sample Output


    0
    fsarchvier probe simple
    0xFF · 2013-04-28 10:16:18 0

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