What is file System?


There are many different kinds of file systems. Each one has different structure and logic, properties of speed, flexibility, security, size and more. Some file systems have been designed to be used for specific applications.

Basically these are the File System:-

1) FAT (File Allocation Table)
2) FAT32 (File Allocation Table 32)
3) NTFS ( New Technology File System)
4) EXT2 ( Extended File System 2)
5) EXT3 ( Extended File System 3)
6) EXT4 ( Extended File System 4)
7) exFAT ( Extended File Allocation Table)

Some file systems are used on local data storage devices;[2] others provide file access via a network protocol (for example, NFS,[3] SMB, or 9P clients). Some file systems are "virtual", meaning that the supplied "files" (called virtual files) are computed on request (such as procfs and sysfs) or are merely a mapping into a different file system used as a backing store.

File system is the part of the operating system which is responsible for file management. It provides a mechanism to store the data and access to the file contents including data and programs. Some Operating systems treats everything as a file for example Ubuntu.

In general, a file is a sequence of bits, bytes, or records whose meaning is defined by the file creator and user. Every File has a logical location where they are located for storage and retrieval.

A file is a collection of correlated information which is recorded on secondary or non-volatile storage like magnetic disks, optical disks, and tapes. It is a method of data collection that is used as a medium for giving input and receiving output from that program.

In computing, a File System or File System (often abbreviated to fs), controls how data is stored and retrieved. Without a file system, data placed in a storage medium would be one large body of data with no way to tell where one piece of data stops and the next begins. By separating the data into pieces and giving each piece a name, the data is easily isolated and identified. Taking its name from the way paper-based data management system is named, each group of data is called a "FILE". The structure and logic rules used to manage the groups of data and their names is called a "FILE SYSTEM".

Note:- NT File System is ideal for internal drives, while exFAT is generally ideal for flash drives. However, you may sometimes need to format an external drive with FAT32 if exFAT is not supported on a device you need to use it with.


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