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Topic: FAT file system

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	File Allocation Table - Wikipedia, the free encyclopedia
		The FAT file system is considered relatively uncomplicated, and is consequently supported by virtually all existing operating systems for personal computers.
		FAT is still the normal filesystem for removable media (with the exception of CDs and DVDs), with FAT12 used on floppies, and FAT16 on most other removable media (such as flash memory cards for digital cameras and USB flash drives).
		Each file may occupy one or more of these clusters depending on its size; thus, a file is represented by a chain of these clusters (referred to as a singly linked list).
	en.wikipedia.org /wiki/File_Allocation_Table (5414 words)

	FAT File System
		The FAT design was incorporated by Tim Patterson in an early version of an operating system for the Intel 8086 chip.
		However, a FAT system may have removed disk area from the chain of free space, but may not yet have assigned it to any permanent new dataset.
		The FAT structure also maintains for each file a set of attributes (is it a System dataset, should it be Hidden in the DIR display, should it be Archived next time the disk is backed up, is it Read-only).
	www.yale.edu /pclt/BOOT/fat.htm (627 words)

	File Allocation Table - FAT - FAT32
		The FAT file system revolves around the File Allocation Table for which it is named.
		However, a FAT system may have removed disk area from the chain of free space, but may not have yet assigned it to any permanent new data set.
		The FAT structure also maintains for each file a set of attributes (is it a System data set, should it be Hidden in the DIR display, should it be Archived next time the disk is backed up, is it Read-only).
	www.easydesksoftware.com /fat.htm (887 words)

	Filesystems
		Moved files retain their compression attribute, but if they are copied they will assume the compression attribute of the target folder.
		When the first 8 characters of long filenames match, the first four DOS file names use the first for characters of the long name, the ~ and 1, then2, etc. After the fourth duplicate name, the first two characters are used, then the next four characters are hashed, then the ~ character then a number.
		NT system and boot partitions cannot be part of a stripe set.
	www.comptechdoc.org /os/windows/ntwsguide/ntwsfiles.html (785 words)

	Operating Systems - Filesystems - FATFS
		System ID defines which file-system is in use on the disk.
		In the FAT you have a list of all the clusters on the disk and on a clusters entry the number of the next cluster in the chain is written.
		This means that the FAT is a very important tool in recreating the contents of a file, and therefore a drive with a destroyed FAT is quite badly hit.
	hjem.get2net.dk /rune_moeller_barnkob/filesystems/fat.html (1783 words)

	Understanding FAT
		FAT stands for File Allocation Table, but is also used as a name for the family of file systems that have been used in DOS and Windows 9x and supported by NT and various *NIX.
		An understanding of this file system is required for data recovery and to understand ScanDisk's reporting; fortunately, this is fairly easy to do.
		Subdirectories are files with a particular structure that is understood by the file system, and are marked as being directories rather than files by setting the "directory" attribute bit in the directory entry that points to it.
	cquirke.mvps.org /9x/fat.htm (947 words)

	What is FAT file system? :: PTDD Data Recovery Service
		It has a serious drawback in that when files are deleted and new files written to the media, the files can become scattered over the entire media making reading and writing a slow process.
		FAT is also called 12-bit FAT, the file allocation table (FAT) for a floppy disk.
		As a file system for floppy disks, it had a number of limitations: no support for hierarchical directories, cluster addresses were "only" 12-bits long (which made the code manipulating the FAT a bit tricky) and the disk size was stored as a 16-bit count of sectors, which limited the size to 32MB.
	www.ptdd.com /datarecovery/fat12.htm (309 words)

	FAT File System Errors
		As a result of how the FAT file system allocates space and chains file together, there are several common types of errors that can crop up over time.
		File system errors are occasionally the result of corruption on the disk that can have at its root a real hardware problem.
		Every file consists of a series of clusters that can be traced by starting with the directory entry and following the linked list of clusters to the end of the file.
	www.storagereview.com /guide2000/ref/hdd/file/clustErrors.html (807 words)

	FAT file system - embedded FAT32 filesystem, file i/o, file manager, USB disk, MMC/SD card
		Move the file pointer to the beginning of the file.
		Flush all data associated with the file handle to the storage media.
		Find the next file, if any, whose name matches the filespec argument in a previous call to sfs_findfirst(), and return information about it in the fileinfo structure.
	www.smxrtos.com /rtos/fileio/smxfs.htm (746 words)

	d003f32 FAT 32 File System
		For a FAT file system, these structures are the master boot record, the partition table, the boot record, the file allocation table (from which the FAT system takes its name), and the root directory.
		When the File System of an OS is invoked by a program to find the contents of a file, the first cluster value, in the directory entry for that file, is read and used to find the FAT chain.
		For FAT 32, the size of the directory entry, for each file, is 4 bytes to contain the value of the starting cluster of the file (rather than the 2 bytes needed under FAT16).
	www.extonpccouncil.org /Resources/EPCC_Tech_Talk/d003f32.htm (4254 words)

	What is file allocation table? - A Word Definition From the Webopedia Computer Dictionary
		Due to fragmentation, a file may be divided into many sections that are scattered around the disk.
		The FAT system for older versions of Windows 95 is called FAT16, and the one for new versions of Windows 95 and Windows 98 is called FAT32.
		Describes "standard" file systems used on PCs, with particular focus on the FAT file system and its variants.
	www.webopedia.com /TERM/f/file_allocation_table_FAT.html (344 words)

	FAQ FAT 32 File System
		This updated file system allows for a default cluster size as small as 4K, as well as support for EIDE hard disc sizes in excess of 2 Gbytes.
		In order for a hard disc that is both larger than 8 Gbytes and using the FAT32 file system to be fully addressed, it must support interrupt 13 extensions.
		The file IO.SYS tests for the presence of interrupt 13 extensions, and if they are not found, uses the default CHS LBA limit of 7.9 Gbytes.
	www.seagate.com /support/kb/disc/fat32.html (890 words)

	FAT File System Errors
		In fact, I highly recommend in the System Care Guide that every hard disk volume be scanned for routine file system problems on a daily basis, if possible.
		Usually this file will then be damaged in some way, but you can often at least see what this orphaned data was and in some cases, recover at least part of it.
		You will generally lose the contents of one or the other of the files (in fact, by the time you discover this problem, you have already lost the contents of at least one of them.) Often, both files will be lost and you will need to restore them from a backup.
	www.pcguide.com /ref/hdd/file/clustErrors-c.html (996 words)

	Fault Tolerance in a FAT File System
		The FAT file system is used to access formatted disks in DOS-based systems, Windows operating systems, and several other operating systems.
		Because of its large installed base, the FAT file system is considered a de-facto file system standard.
		Probably the most significant shortcoming of the FAT file system is its lack of fault tolerance, and several books have been written on this subject.
	www.embeddedstar.com /technicalpapers/content/f/embedded327.html (327 words)

	Fingerprinting the FAT File System
		The MS-DOS FAT file system has two main sections the FAT area and the data area.
		Directory entries contain all of the information about a file, including the starting block of that files data (the other blocks must be looked up via the FAT).
		Directory data is stored the same as any other file data, in the data section.
	www.cs.wisc.edu /~thennen/FAT_Writeup.htm (4019 words)

	NTFS vs. FAT: Which Is Right for You? (Site not responding. Last check: 2007-10-23)
		It was designed originally to handle files on a floppy drive, and has had minor modifications over the years so it can handle hard disks, and even file names longer than the original limitation of 8.3 characters, but it's still the lowest common denominator.
		The FAT32 file system, originally introduced in Windows 95 Service Pack 2, is really just an extension of the original FAT16 file system that provides for a much larger number of clusters per partition.
		The NTFS file system is generally not compatible with other operating systems installed on the same computer, nor is it available when you've booted a computer from a floppy disk.
	www.microsoft.com /windowsxp/expertzone/columns/russel/october01.asp (997 words)

	NTFS.com FAT FILE SYSTEM. FAT32 FAT16 FAT12
		The FAT file system is named for its method of organization, the file allocation table, which resides at the beginning of the volume.
		In addition, the file allocation tables and the root folder must be stored in a fixed location so that the files needed to start the system can be correctly located.
		For the FAT file system, the cluster number must fit in 16 bits and must be a power of two.
	www.ntfs.com /fat-systems.htm (181 words)

	fat recovery file
		File Allocation Table (FAT) is a file system that was developed for MS-DOS and is
		The NTFS file system has a MFT or Master File Table instead of a FAT file system’s file allocation table.
		File recovery after power failure, system crash, virus infection or partition reformation, even for the different file system.
	www.data-recovery-center.com /fat-recovery-file (1123 words)

	Comments for: Microsoft FAT file system patent upheld - ja.zz
		More information on Microsoft's FAT file system technology license is available here.
		FAT of course is merely a table of filenames on the disk, CPM used a similar (indeed a 'parent') mechanism years before DOS implemented it.
		They could be altruistic and allow royalty-free use of FAT but, as a for-profit organization, they're under no obligation to do so since it is their technology, pervasive and antiquated though it may be.
	techreport.com /redir_comments.x?id=9265 (1085 words)

	file recovery fat
		File recovery is the process of recovering file stored on storage media, such as hard drives or File Recovery.
		PC Inspector File Recovery is a data recovery program with support for FAT 12/16/32 and NTFS file systems.
		File Recovery Software - Undelete and recovers files / data lost from instances of deleted, missing / lost files and corrupt or missing drive where file system is severely corrupted or destroyed.
	www.data-recovery-center.com /file-recovery-fat (904 words)

	HPFS: FAT File System
		When the FAT was conceived, it was an excellent solution to disk management, mainly because the floppy disks on which it was used were rarely larger than 1 Mb.
		The FAT file system 's restrictions on naming files and directories are inherited from CP/M. When Paterson was writing 86-DOS one of his primary objectives was to make programs easy to port from CP/M to his new operating system.
		The architect of the HPFS started with a clean sheet of paper and designed a file system that can take full advantage of a multitasking environment and that will be able to cope with any sort of disk device likely to arrive on microcomputers during the next decade.
	www.seds.org /~spider/spider/OS2/HPFS/fat.html (646 words)

	Digital Photo User Online (Site not responding. Last check: 2007-10-23)
		Since that time, the FAT file system has been improved upon multiple times to take advantage of advances in computer technology, and to further refine and enrich the FAT file system itself.
		The FAT file system is now supported by a wide variety of operating systems running on all sizes of computers, from servers to personal digital assistants.
		With this license, other companies have the opportunity to standardize the FAT file system implementation in their products, and to improve file system compatibility across a range of computing and consumer electronics devices.
	www.digitalphotouser.co.uk /cgi-bin/displaynews.php?id=5228 (706 words)

	Microsoft's FAT charges: Digital Photography Review
		For those who are unaware the FAT file system was developed by Microsoft back in 1976 and has become the standard file system for all digital still cameras.
		The FAT file system allows an operating system to keep track of the location and sequence of each piece of a file, and also allows the operating system to identify which clusters are unassigned and available for new files.
		In order to ensure interoperability between the licensed media and devices and Microsoft® Windows®-based personal computers and to improve consumer experience, the license requires that licensees' FAT file system implementations in the licensed media and devices be fully compliant with certain required portions of the Microsoft FAT file system specification.
	www.dpreview.com /news/0312/03120403microsoftisfat.asp (810 words)

	FAT File System Registry Settings (Site not responding. Last check: 2007-10-23)
		The file allocation table file system (FATFS) retrieves driver specific settings from the registry.
		Indicates the size of the FAT cache, in number of sectors.
		Uses the cluster 1 entry in the FAT table for a TFAT transaction.
	msdn.microsoft.com /library/en-us/wcedata5/html/wce50confatfilesystemregistrysettings.asp?FRAME=true (724 words)

	FAT File System Technology and Patent License - Digital Cameras Forums : Digital Photography Forums
		The first FAT file system was developed by Microsoft in 1976.
		Today, the FAT File system has become the ubiquitous format used for interchange of media between computers, and, since the advent of inexpensive, removable flash memory, also between digital devices.
		In addition, the FAT file system licensing package includes rights to FAT file system innovations for which Microsoft has filed a claim for a patent that the U.S. Patent Office has not yet granted.
	www.bytephoto.com /forums/print-895.html (703 words)

	Group challenges Microsoft's patent for FAT file system
		Ravicher, a patent and trademark attorney who also specializes in open-source legal issues, said he filed the complaint because Microsoft began a campaign late last year to license some of its patents, including the patent for the company's File Allocation Table (FAT) file system (see story).
		The FAT system was originally created in the mid-1970s, according to Ravicher's letter.
		The FAT is an organizational system used to keep track of where data is stored on a storage disk so the data can be found and used by the machine.
	www.computerworld.com /governmenttopics/government/legalissues/story/0,10801,92315,00.html?f=x62 (1241 words)

	FAT File System Errors
		Although the FAT file system is very efficient given its age, its overall design and how it allocates disk space and chains file together provides ample opportunity for errors to occur over time.
		Lost clusters are simply those that are marked in the FAT as being in use, but, in fact, not in use and which the system cannot link to any file.
		Every file that is saved on your hard disk consists of a series of clusters that can be traced by starting with the directory entry in the FAT and following the link list of clusters to the end of the file.
	www.dewassoc.com /kbase/hard_drives/fat_errors.htm (1069 words)

	NTFS.com FAT32 FAT16 File Allocation Table.
		The FAT file allocation system is named for its method of organization, the file allocation table, which resides at the beginning of the volume.
		In addition, the file allocation tables must be stored in a fixed location so that the files needed to start the system can be correctly located.
		The file File1.txt is a file that is large enough to use three clusters.
	www.ntfs.com /fat-allocation.htm (230 words)

	FAT File System Demo (Site not responding. Last check: 2007-10-23)
		This Demo shows some Rabbit File Allocation Table (FAT) file system read capability with some preloaded files, but does not exercise functions to add, change or modify files or their attributes.
		The other text files display descriptions of a few API functions (only the first 1000 characters).
		The FAT file system is integrated into the Dynamic C HTTP and FTP libraries, and works with the serial flash or XD™ flash that comes with RCM3700 and RCM33xx series core modules.
	71.133.19.185:8148 (272 words)

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