TYPES OF FILE SYSTEMS

TYPES OF FILE SYSTEMS


1. NTFS : - NEW TECHNOLOGY FILE SYSTEM.

2. FAT : - FILE ALLOCATION TABLE.

3. HPFS : - HIGH PERFORMANCE FILE SYSTEM.

4. CDFS : - COMPACT DISK FILE SYSTEM.

5. UDF : - UNIVERSAL DISK FORMAT.

6. JFS : - JOURNAL FILE SYSTEM.







1. NTFS : THERE ARE OF 2 VERSIONS , NTFS 4.0 AND NTFS 5.0 : -


NTFS 4.0 VERSION NTFS 5.0 VERSION
1. BASED ON BINARY SEARCH
TECHNOLOGY. 1. BASED ON BINARY SEARCH
TECHNOLOGY.
2.SUPPORTS WIN – NT O/S. 2. SUPPORTS WIN – 2K , WIN – 2K3 AND
WINDOWS XP O/S.
3.FILE AND FOLDER SECURITY IS
AVAILABLE. 3. FILE AND FOLDER IMP SECURITY IS
AVAILABLE.
4. DISK COMPRESSION. 4. DISK COMPRESSION.
5. SUPPORTS DISK QUOTA.
6. SUPPORTS EFS ( ENCRYPTED FILE SYSTEM )


2. FAT : FAT FILE SYSTEM IS DIVIDED INTO 2 TYPES, FAT 16 AND FAT 32 : -


FAT 16 FILE SYSTEM FAT 32 FILE SYSTEM
1. BASED ON LINEAR SEARCH
TECHNOLOGY. 1. BASED ON LINEAR SEARCH
TECHNOLOGY.
2. SPEES OF ACCESS IS LESS THAN
512 KB. 2. SPEED OF ACCESS IS GREATER THAN
512 KB.
3. SUPPORTS MAXIMUM OF 8 GB HARD –
DISK CAPACITY. 3. SUPPORTS MAXIMUM CAPACITY OF
THE HARD – DISK CAPACITY.
4. SUPPORTS ONE DRIVE SIZE MAXIMUM
OF 2047 MB OR 2 GB. 4. SUPPORTS ONE DRIVE SIZE MAXIMUM
OF 32 GB.
5. SUPPORTS MS – DOS , WIN – NT NOVEL. 5. SUPPORTS ALL WINDOWS EXCEPT
MS – DOS AND NOVEL NETWORK.

3. HPFS : IT IS THE OLDER VERSION OF NTFS.

EX : - WIN 3.10 , WIN 3.15 , WIN 3.50 , WIN 3.51.

4. CDFS : IT IS A CD FORMAT.
IT WILL SUPPORTS MAXIMUM OF 800 MB CAPACITY TO WRITE.

A. ON CD THERE WILL BE ONLY TRACKS, BUT NOT SECTORS.

B. IT CONSISTS OF PITS AND LANDS.

C. PITS STORES THE DATA AND LANDS ARE THE GAPS BETWEEN THE DATA.

D. ON CDS ONE LAYER MAGNETIC COATING IS AVAILABLE, WHICH STORES THE DATA.

5. UDF : UNIVERSAL DISK FORMAT.

A. IT IS A DVD FORMAT.

B. IT HAS 3 – LAYER MAGNETIC COATING.

C. IN ONE DVD CD, WE CAN STORE ABOUT MINIMUM OF 4.7 GB AND MAXIMUM OF 18 GB.

D. PITS SIZE IS MORE IN DVD.

6. JFS : IT SUPPORTS UNIX , SUN SOLARISIS AND APPLE MACHINTOSH OPERATING
SYSTEMS.