About file system

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What is the File System?

    In  computing , a  file system  or  filesystem  (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." 

      File systems can be used on numerous different types of  storage devicesthat use different kinds of media. As of 2019,hard disk driveshave been key storage devices and are projected to remain so for the foreseeable future.  

    Other kinds of media that are used include SSDs,magnetic tapes, and optical discs. In some cases, such as withtmpfs, the computer's main memory (random-access memory, RAM) is used to create a temporary file system for short-term use.       

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