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In computing, a file system is a method for storing and organizing computer files and the data they contain to make it easy to find and access them. File systems may use a storage device such as a hard disk or CD-ROM and involve maintaining the physical location of the files, or they may be virtual and exist only as an access method for virtual data or for data over a network (e.g. NFS).

More formally, a file system is a set of abstract data types that are implemented for the storage, hierarchical organization, manipulation, navigation, access, and retrieval of data.

Aspects of file systems


The most familiar file systems make use of an underlying data storage device that offers access to an array of fixed-size blocks, sometimes called sectors, generally 512 bytes each. The file system software is responsible for organizing these sectors into files and directories, and keeping track of which sectors belong to which file and which are not being used.

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@psankar Why NFS then?! Run HTTP server on local file-system? But HTTP/FTP would not allow upload/sync/access control?!
nikanth (Nikanth Karthikesan) Wed, 23 Dec 2009 08:48:46 -0000
@psankar Why NFS then?! Run HTTP server on local file-system? But HTTP/FTP would not allow upload/sync/access control?!
@magielph as long as all the file system tables are in tact. waaaay old systems needed /root below 1280 on the disk
p0nb1k1 (Jeremiah) Wed, 23 Dec 2009 07:56:29 -0000
@magielph as long as all the file system tables are in tact. waaaay old systems needed /root below 1280 on the disk
WinXP-Drivers: Computer will not start: corrupted file: windows\system32\config\ system http://forum.techgle.com/showthread.php?t=343478
techgle_winxp (Windows XP) Wed, 23 Dec 2009 06:45:31 -0000
WinXP-Drivers: Computer will not start: corrupted file: windows\system32\config\ system http://forum.techgle.com/showthread.php?t=343478
Linux,Unix-AIX: Why is my file system cache so large http://forum.techgle.com/showthread.php?t=346551
techgle_linux (Linux Zone) Wed, 23 Dec 2009 06:32:06 -0000
Linux,Unix-AIX: Why is my file system cache so large http://forum.techgle.com/showthread.php?t=346551
Ugh. I'm supposed to fold towels tonight (like 6 loads swept across the floor) AND file. Ugh. Been putting off a file system for 6 months.
FunkyValentine (Gabrielle Valentine) Wed, 23 Dec 2009 06:24:08 -0000
Ugh. I'm supposed to fold towels tonight (like 6 loads swept across the floor) AND file. Ugh. Been putting off a file system for 6 months.
@lanettecream Quite possibilibly :-D I seem to remember there's an even sneakier way to get file info on a remote system...but it escapes me
m8ttyb (Matt Brandt) Wed, 23 Dec 2009 05:09:09 -0000
@lanettecream Quite possibilibly :-D I seem to remember there's an even sneakier way to get file info on a remote system...but it escapes me

 
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AccessNFS Product Suite - NFS products suite for Windows/UNIX connectivity from Schaffer Solutions.
Meta Description: [ SSC's AccessNFS Suite: network integration for UNIX and Windows connectivity consisting of Windows NFS Client, Server and Gateway ]

404 CAP, Columbia AppleTalk Package - AppleTalk file and print services for UNIX.

Coda - A distributed file system from CMU based on AFS2.

EMC Celerra File Server - Dedicated network file server providing availability, scalability, and performance. Celerra permits UNIX and NT clients to access and share the same files over networks with appropriate locking mechanisms.
Meta Description: [ overview of EMC software offerings for peforming various operations on your information. ]

InterMezzo high availability file system - A high availability file system with features like those of Coda, but a radically different implementation for high performance and robustness.

Managing NFS and NIS - book from O'Reilly
Meta Description: [ Managing NFS and NIS is for system administrators who need to set up or manage a network filesystem installation. NFS (Network Filesystem) is probably running at any site that has two or more UNIX systems. NIS (Network Information System) is a distributed... ]

Mars_nwe - Documentation on configuring and running MARS_NWE under FreeBSD.

Omni-NFS Series Products - Commercial NFS software for Windows from XLink.
Meta Description: [ NFS Client/Server, Windows to UNIX and NT to UNIX Connectivity Products Descriptions and Features for: NFS Client, NFS server, nfs gateway, X-Server, terminal emulation, lpd, lpr, vt420 and much more over a tcp/ip network. ]

OpenAFS - Coordination and distribution of OpenAFS, an opensource implementation of the Andrew File System, including client and server software.

Prospero - Distributed directory, file access, and storage services being developed at the Information Sciences Institute.

QNX Networking (Qnet) - Information on Qnet, node resource sharing including filesystems.
Meta Description: [ This page provides an overview of QNX's products, meeting the needs of the diverse embedded industries. This is posted on the QNX website ]

SAMBA - An opensource implementation of SMB/CIFS file services for Unix/Linux operating systems and Unix clones.
Meta Description: [ Home of Samba, the SMB file server ]

Solaris PC NetLink - SMB/CIFS services from Sun including PDC and BDC functionality for Solaris/SPARC servers. Does not support Intel architectures.
Meta Description: [ Solaris PC Netlink 2.0 software, Sun Solaris PC NetLink software (based on AT&T Advanced Server for Unix) delivers native Windows NT network services--which include directory, authentication, and file-and-print services--on Solaris environment servers. ]

The arla project. - Arla is a free AFS client/server implementation.

TotalNET Advanced Server - Connectivity software that allows a UNIX server to act as a file, print, and application server for a variety of client PCs in a network.

Transarc EFS - IBM Enterprise File Systems. Includes information on AFS and DFS.
Meta Description: [ All IBM Software Products listed alphabetically that start with A ]

xFS - Serverless network filesystem from Berkeley.

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