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How to tell what type of filesystem you’re on?
Find filesystem of an unmounted partition from a script
How can I quickly check the filesystem of the partition? Can I do that by using df?
Yes, according to man df you can:
-T, --print-type print file system type
Another way is to use the mount command. Without parameters it lists the currently mounted devices, including their file systems.
In case you need to find out only one certain file system, is easier to use the stat command's -f option instead of parsing out one value from the above mentioned commands' output.
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2
mountwon't show the file system mounted by fuse, just that it's afuseblk– Evan Carroll Dec 25 '16 at 21:46 -
If the filesystem is not mounted (but if it is as well):
blkid -o value -s TYPE /dev/block/device
or:
file -Ls /dev/block/device
You'll generally need read access to the block device. However, in the case of blkid, if it can't read the device, it will try to get that information as cached in /run/blkid/blkid.tab or /etc/blkid.tab.
lsblk -no FSTYPE /dev/block/device
will also give you that information, this time by querying the udev data (something like /run/udev/data/b$major:$minor).
answered Oct 30 '12 at 21:30
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Perfect, this works also for unmounted filesystems and even images. And looks less weird than
(eval $(blkid $DEV | awk ' { print $3 } '); echo $TYPE)... – Tobias Kienzler Nov 2 '12 at 6:59 -
1I like this because it does not require mounting the device, and uses common "off the shelf" utilities, like
file. Good stuff. – Felipe Alvarez Sep 15 '15 at 3:53 -
1For exfat and probably other fuse mounted filesystems, only the last lsblk example works. Or
lsblk -f /dev/sdXfor more verbose output. – mivk Jul 13 '17 at 7:53
