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File System

A file system is how an operating system organizes and stores files on storage devices like hard drives. It includes a directory structure to organize files hierarchically, methods to allocate files on disk, and metadata about each file. Common file system operations include creating, reading, writing, and deleting files and folders. File systems optimize performance through caching and defragmentation. They provide organization, data protection features, and improved performance compared to no file system. In conclusion, file systems are crucial to operating systems and enable efficient data storage and usage.

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RANJIT KUMAR PATRO
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35 views12 pages

File System

A file system is how an operating system organizes and stores files on storage devices like hard drives. It includes a directory structure to organize files hierarchically, methods to allocate files on disk, and metadata about each file. Common file system operations include creating, reading, writing, and deleting files and folders. File systems optimize performance through caching and defragmentation. They provide organization, data protection features, and improved performance compared to no file system. In conclusion, file systems are crucial to operating systems and enable efficient data storage and usage.

Uploaded by

RANJIT KUMAR PATRO
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PPTX, PDF, TXT or read online on Scribd
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FILE SYSTEM

Presented by:-Ranjeeth kumar patra


Guided by:- biswaRanjan dash Bongu Santosh
Bomali Venkat rao
CONTENTS
• Introduction
• Understanding file systems
• The world of file systems
• Components of a file system
• Managing file: common operations
• The operation performed on the directory are
• Optimizing file system performance
• The advantages of using a file system
• conclusion
INTRODUCTION
In the world of operating systems, the file system takes center stage,
providing the framework for how data is structured, stored, and
accessed on your computer.

It's the invisible conductor ensuring that when you click, drag, or
save, everything happens in a beautifully coordinated fashion.
Understanding File Systems

1 What is a File System?

A file system refers to the way an operating system organizes, stores, and retrieves files on
storage devices like hard drives or SSDs.

2 Why are File Systems Important?

File systems enable users to organize and manage data efficiently, providing easy access
and reliable storage for files and documents.
The World of File Systems

FAT File System NTFS File System ext4 File System

An older file system used by A modern file system used by A file system commonly used
older versions of Windows and Windows. It supports features on Linux and
other operating systems such as file and folder Unix-based operating system
permissions, compression, and s
encryption. .
Components of a File System

Directory Structure File Allocation Metadata


Methods
Metadata contains
The directory structure File allocation methods information about files,
organizes files and folders in determine how files are including file names, file
a hierarchical manner, stored on disk, such as sizes, file permissions, and
making it easy to locate and contiguous allocation, linked creation/modification dates.
access specific files. allocation, or indexed
allocation.
Managing Files: Common Operations

1 Create

Create new files or folders, assigning


them names and locations within the
Read 2 file system.
Retrieve and view the contents of files
stored in the file system.
3 Write

Modify or add content to existing files,


Delete 4 ensuring updates are properly saved.

Remove unnecessary files or folders


from the file system, freeing up
storage space.
The operation performed on the
directory are
• Search for a file
• Create a file
• Delete a file
• List a directory
• Rename a file
• Traverse the file system
Optimizing File System Performance

Caching
Caching frequently accessed data in memory speeds up file read operations,
enhancing overall system performance.

Defragmentation
Defragmentation reorganizes files on disk, reducing file fragmentation and
improving file access times.
The advantages of using a file system
1. Organization: A file system allows files to be organized into directories and
subdirectories, making it easier to manage and locate files.

2. Data protection: File systems often include features such as file and folder
permissions, backup and restore, and error detection and correction, to protect data
from loss or corruption.

3. Improved performance: A well-designed file system can improve the performance of


reading and writing data by organizing it efficiently on disk.
Conclusion
File systems are the backbone of operating systems and user experiences, providing efficient

data storage, reliable operations, and optimum performance. Embrace the power of file systems!
Thank You……
PRESENTED BY:-

Ranjeeth kumar patra bongu santosh bomali venkat rao

220101121312 220101121311 220101121314

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