From c. 1900 and before the advent of computers the terms file system, filing system and system for filing were used to describe methods of or…

A local file system's architecture can be described as layers of abstraction even though a particular file system design may not actually separate the concepts.
The logical file system layer provides relatively high-level access via an applicat…

A file name, or filename, identifies a file to consuming applications and in some cases users.
A file name is unique so that an application can refer to exactly one file for a particular name. If the file system supports directori…

A disk file system takes advantages of the ability of disk storage media to randomly address data in a short amount of time. Additional considerations include the speed of accessing data following that initially requested and the anticipation that the fol…

An operating system (OS) typically supports one or more file systems. Sometimes an OS and its file system are so tightly interwoven that it is difficult to describe them independently.
An OS typically provides file system acce…

File systems limit storable data capacity – generally driven by the typical size of storage devices at the time the file system is designed and anticipated into the foreseeable future.
Since storage sizes have increased at near …