How to Determine the File System Type in Linux (Ext2, Ext3, or Ext4)?
Linux is an ocean of different kinds of file systems. Some distributions ship Ext4 as the default file system, while distributions like RedHat stick with an XFS.
Besides Ext4 and XFS, there are around 10+ file systems in Linux with unique features and few drawbacks. To know, your Linux system is running in which type of file system use the below method.