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File System and File Types.

ByShashank Singh.

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Index

Definition-File system

Types of file system.

Comparison and differences.Sectors and Clusters.

File Types.

.Temp , Cache, Swap files.

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What is a File System?

In an operating system, the overallstructure in which files are named,stored, and organized is termed as file

system.These are the basic arrangement of file

on a hard drive.

NTFS, FAT, and FAT32 are example offile systems.

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NTFS file system

An advanced file system that providesperformance, security, reliability, andadvanced features that are not foundin any version of FAT. For example,

NTFS guarantees volume consistencyby using standard transaction loggingand recovery techniques. If a system

fails, NTFS uses its log file andcheckpoint information to restore theconsistency of the file system. InWindows 2000 and Windows XP, NTFSalso provides advanced features such

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Comparison and differences.

FAT FAT 32 NTFS

VolumeRange

Floppydisk to

4GB

Volumes from512 MB to

2 TB.

10 MB to2TB+

Maximumfile size

2 GB 4 GB Equal to thevolume

size.

Clustersize

212Less than65526

22865527-4177918

More than4177918

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Sectors and Clusters.

Sector is the smallest unit of memory inon the hard disk.

A group of sectors is called a clusterwhich in turn is the basic unit of allreading and writing activity.

It is due to this architecture there arisesa difference in copying and imaging

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CLUSTER 1

CLUSTER 2

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File TypesTemporary files-They are the

short lived files created by a

particular program to draw datafrom main memory to thevirtual memory.

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Swap files- They are thefiles entered in directorywith extension of .swp

These are created when aparticular application is

required to come in frontwhile older programs are

shifted in background or

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Cache file- These files aremore related to TemporaryInternet Files or Cookies.

They are just a copy orimage of the website which

we visit so that thebrowser need not

download it again thereby