Simple idea of Filesystems …..!!

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Filesystems

Filesystems

Whether you’re using Microsoft Windows or Linux, you must format a partition before you can store can store data on it. When you format a partition, Linux writes special data, called a filesystem, On the partition. The filesystem organizes the available space and provides a directory that lest you assign a name to each file, which is a set of stored data. You also group files into directories, which function much like the folders you create using the Microsoft windows Explorer: directories store information about the files they contain.

Every DVD-ROM, CD-ROM and floppy diskette must also have a filesystem .The filesystem of a DVD-ROM, CD- ROM is written when the disk is created; the filesystem of a floppy diskette is rewritten each time you format it. Microsoft Windows lets you choose to format a partition as a FAT or FAT32 or NTFS. Linux supports a wider variety of filesystem types; summarizes the most common ones. The most important filesystem types are ext 2,ext 3,ext 4; which is used for Linux native partitions, msdos, which is used for FAT or NTFS partitions (and floppy diskettes) of the sort created by MS-DOS and Microsoft Windows; and is  iso9660, which is used for DVD-ROM, CD-ROMs. Linux also provides the vfat  filesystem, which is used for FAT32,NTFS partitions of the sort created by Microsoft Windows. Linux also supports reading of windows NT NTFS filesystems; however, the support for writing such partitions is not yet stable.

Common Filesystem Types

Filesystem

Description

Coherent

A filesystem compatible with that used by Coherent Unix

Ext

The predecessor of the  ext 2 filesystem ; supported for compatibility

Ext4

The standard Linux filesystem

Ext3

The standard Linux filesystem

Ext2

The standard Linux filesystem

Hpfs

A filesystem compatible with that used by IBM’s OS/2

Iso9660

The standard filesystem used on CD-ROMs

Minix

An Old linux filesystem, still occasionally used on floopy diskettes

Msdos

A Filesystem compatible with Microsofts FAT filesystem, used by MS-DOS and windows.

Nfs

A Filesystem compatible with Sun`s Netwotk File system

Ntfs

A Filesystem compatible with that used by Microsofts Windows NT’s NTFS filesystem

Sysv

A filesystem compatible with that used by AT&T’s System  V Unix

Vfat

A filesystem compatible with Microsoft’s FAT32 filesystem. Used by Windown 9x

Xenix

A filesystem compatible with that used by Xenix

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