In Linux, the most commonly used filesystems are Ext4 and Btrfs but it also supports many more like ZFS, ReiserFS, XFS, ext3, ext2, exFAT, sysfs, securityfs, FAT16, FAT32, NTFS, etc. In Ubuntu, you can check your filesystem type using different methods. Follow this article for all methods.
Find Filesystem Types in Ubuntu
1.Find Filesystem Type Using df
Open the terminal app (ctrl+alt+t) and run below command. It will show all mounted filesystems.
sudo df -T
2.Find Filesystem Type In Using Findmnt
Open the terminal application using the ctrl+alt+t keys and run below command.
findmnt
Here the root filesystem is ext4. You can also filter output by a particular filesystem like below.
findmnt -t ext4
For the complete details run below command.
man findmnt
3.Find Filesystem Type In Linux Using blkid
Use below command in terminal to list all filesystem types.
sudo blkid
For the complete details run below command.
man blkid
4.Find Filesystem Type Using mount
mount | grep "^/dev"
5.Find Filesystem Type Using lsblk
lsblk -f
