A file system can be thought of as an index or database containing the physical location of every piece of data on the device. The data is usually organized in folders called directories, which ...

Linux Fu: Databases Are Next-Level File Systems 63 Comments by: Al Williams June 8, 2021 ...

So file metadata is data about a file, and not in a file. Journaling: A method of insuring the correctness of file system metadata even in the presence of power failures or unexpected reboots.