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File Systems

            
             A file system is the way a hard drive stores information to hard drive. The more popular of the file systems used on hard drives today are: NTFS, FAT16, and FAT32. Earlier computers with smaller hard drives use one of the FAT file systems. Certain OS's have certain file systems they use. For instance, earlier versions of Windows NT did not recognize the FAT32 file system, but latter versions added support for the file system. According to Water Wheel in 2002 "FAT 16, is most likely on your computer if you use windows 3x, early windows 95." Windows 98 commonly used FAT32 and computers with the OEM version of Windows 98 were shipped with the FAT32 file system. Windows XP has adopted the NTFS file system due to the the increasing size of hard drives and the extra security features it offers. Windows ME and Windows 98 more commonly used the FAT32 file system.
             FAT16 was popular in earlier versions of Windows but not used anymore in later computers due to limitations of this file system. Water Wheel in 2002 says "FAT 16 will only allow partitions of 2 GB's." With the massive sizes of hard drives today, having 40 partitions on one hard drive would be unthinkable. Therefore we use NTFS and FAT32 which support much larger hard drives and are more efficient than the FAT16 file system.
             FAT32was made after FAT16 by Microsoft. This file system hasmany improvements over the FAT16 file system. In 2002 according to Water Wheel "Not only this but the system does go through ad move data to the outside of the hard drives platter making transfer rates faster." One of the only drawbacks is earlier programs and earlier versions of NT do not work with this file system.
             The file system NTFS, used commonly by Windows NT, Windows 2000, and Windows XP, is popular today because of the security features it offers and the better file recovery options. Earlier versions of this file system did not support more than 8 gigs but was fixed in later versions to support hard drives much larger.


Essays Related to File Systems

1. Operating Systems

Additional improvements are: Communications facilities are more closely integrated with the operating system and users can access web documents in just the same way as files on a local disk. ... The improved File Allocation Table uses 32-bit addressing (instead of 16-bit) allowing it to make more efficient use of disk space and have much larger disk partitions. ... Multiple Virtual Systems (MVS) Introduction MVS is IBM's most powerful and reliable computer operating system. ... The System/360 also was the first operating system to require direct access devices. ... MVS/SP 1.3...

  • Word Count: 3862
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2. The Linux Operating System

It is loaded via CD Rom like most modern operating systems. ... During this part of the setup you have to tell the system what partitions you want on the system and how big they should be. To do this you must have a basic knowledge of the UNIX file system. ... Linux and all Unix type systems run processes in the same manner. ... Memory Management: The memory management system is one of the most important parts of the operating system. ...

  • Word Count: 3572
  • Approx Pages: 14
  • Has Bibliography
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3. File Security

It is more difficult to protect data than to protect it in the earlier systems of separate files. ... Also the system should be secure against accidental or intentional attempts to alter data or files. ... Frequent checks on the number of files contained in the system should be done regularly. ... Back up copies, all the file in the computer system, should have back up copies to them in case the are altered or lost. ... It is more difficult to protect data in a database than to protect it in the earlier systems of separate files. ...

  • Word Count: 949
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4. Hackers

I opened the text file and read it. The file stated that the computer had been hacked by the great indian from india. ... Revelation from hackers.com explains that hacking is the act of penetrating computer systems to gain knowledge about the system and how it works. ... Never alter any of the system files, except for those needed to insure that you are not detected. 3. ... If they want to get into your system they will. ...

  • Word Count: 975
  • Approx Pages: 4
  • Has Bibliography
  • Grade Level: High School

5. Computer Systems Analysis

The Manual System The manual system has been in use since the library first opened. ... These are filed according to the date of return order. ... Why the new system is appropriate The new system is more efficient. ... System Requirements The system needs the details of every student and book. ... With this method the old system and the new system are operated in parallel so that if the new system fails the old system will continue to operate. ...

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6. The File Sharing Craze

File sharing is the one of the techniques used through the internet. ... The act of downloading free files is becoming much easier everyday. ... It uses a system called "Peer-to-Peer" technology also known as "P2P". ... Another widely used form of file sharing is the use of "File Transport Protocols" (FTP). ... File sharing is a leading activity that the Internet offers. ...

  • Word Count: 406
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  • Grade Level: High School

7. Operating Systems

It can be part of a two-way symmetric multiprocessing system. ... Today, Linux is one of the fastest growing operating systems in the history. ... HTTP (The Hypertext Transfer Protocol) is the set of rules for exchanging files (text, graphic images, sound, video, and other multimedia files) on the World Wide Web. ... Operating Systems use the internet term URL. ... The type of file or resource depends on the Internet application protocol. ...

  • Word Count: 1335
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8. Mircosoft Dos and Unix

Utilities are provided for managing files and documents created by users, development of programs and software, communicating between users with other computer systems and managing user requirements for programs, storage space and priority. ... UNIX users speak of the operating system as having three main parts: the kernel, the shell and the file system. ... By contrast, even the first version of UNIX had a full hierarchical file system. ... For example, incorporating minor changes, the MS-DOS file system was taken largely from UNIX. ... In addition, newer utilities were provided for disk-defr...

  • Word Count: 3585
  • Approx Pages: 14

9. Disk Fragmentation

At some point, the operating system needs to store parts of a file in clusters. ... In newer systems, you can defragment a disk with the DEFRAG command. ... Another option would be to store files separately on disks. The files will then have enough room to grow and the operating system will be more efficient in locating them. The importance of saving files on disks should never be understated. ...

  • Word Count: 257
  • Approx Pages: 1
  • Grade Level: High School

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