What is File Systems and types

We know in this article about file system and kind of file system and also we know how to file system works in Operating systems. Each piece of information is called a file.There are many different types of file systems. Basically FAT16, FAT32 and NTFS files systems are accessible in Win XP. VFAT and HFS are also accessible.


This type of system is used in MS-DOS (Microsoft Disk Operating System) in 1981. It is compatible on different platforms like Windows 95, Win98, WinME, Linux, OS/2 and Unix. It’s cluster size in 32 KB in a 2 Gigabyte. It doesn’t support compression, encryption, or advanced security.



This kind of file system is runs on Win95 SP-2. It runs on Windows NT, Unix and Linux platforms and also share your hard disk drive data to other computers in a network.


VFAT is a substitute of the File Allocation Table file system which is accessible in Windows 95 and Windows NT 3.5. VFAT stocks additional info. in the directory that oldest Disk Operating System and Operating System/2 systems can ignored.


HPFS is worked in Operating System/2 and is sustained by the Windows NT. It support long file names, provide much better presentation than FAT.

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NTFS means Network File System. This type of system is launched in Windows NT. It provide great security, compression of files, and many more. You can easily convert your old file system with NTFS file system during upgrading process.


Ext2 means “Second Extended File System”. Which is developed by Rémy Card in 1993. In flash drives, USB drives, ext2 is recommended. Highest single file size is 16 Giga Byte to 2 Terabyte. Complete ext2 file system size can be from 2 Tera Byte to 32 Terabyte.


Ext3 means “Third Extended File System”. Which is developed by Stephen Tweedie in 2001. It was starting from Linux Kernel 2.4.15 ext3. Journaling is allowed by the ext3. Due to the journaling  When the system crashes, the chances of system corruption is much lesser. Highest single file size is 16 Giga Byte to 2 Terabyte. Complete ext3 file system size can be from 2 Tera Byte to 32 Terabyte. You can convert an ext2 filesystem to ext3 file system straight without any backup and restore. There are three types of journaling  in the ext3 file system.  Journal, Ordered and Writeback.


Ext4 means “Fourth Extended File System”. Which is developed in the year 2008. ext4 was available in the Linux Kernel 2.6.19. Highest single file size is 16 Giga Byte to 16 Terabyte. Complete ext4 file system size is 1 EB. You can create at least 64,000 sub directory in a directory using this system.

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