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File system is a system of storing and retrieving data from a storage medium. It is a method by which an operating system keep track of files.
The different type of file systems:
1.
Disk/tape
file system
A disk/tape file system
utilize the ability of disk storage media to randomly address and access data
in a short amount of time. E.g. FAT (FAT 12, FAT 16, FAT 32), exFAT, NTFS, etc.
2.
Network
file system
A network file system act
as a client for a remote file access protocol, providing access to files on a
server. E.g. clients for FTP, WebDAV, etc.
3.
Special
purpose file system
A special purpose file
system presents non-file elements of an operating system as files so they can
be acted on using file system APIs(application programming interfaces).
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THE FOLLOWING VIDEO TO KNOW ABOUT FILE SYSTEM:
The different layers of file system:
1.
Logical file system
Logical file system
provide interactions (like file open, file close, file read, etc) and passes
the request to the layer below for processing. It also provides protection to
the file system.
2.
Physical file system
Physical file system
provide the physical operation of storage device (like memory allocation,
buffering etc).
3.
Virtual file system
It is optional. It helps
the physical file system when multiple processes of physical file system is
called upon simultaneously.
Thus we see the file system make our user experience great. Without the file system it would have been a difficult task to manage the ever increasing volume of data.
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