- Extent (file systems)
. Hierarchical File System HFS and HFS Plus Hierarchical File System Apple Macintosh filesystems. HPFS High Performance File Syzstem OS 2 and eComStation . IBM Journaled File System 2 JFS2 JFS Journaled File System Used by AIX operating system AIX , OS 2 eComStation and Linux operating systems. Microsoft ... correspond to a contiguous data area on disk. See also Comparison of file systems References reflist ... strategy comparison of block based and extent based allocation DEFAULTSORT Extent File Systems Category Computer file systems cv fr Extent it Extent hu Extent pl Extent ru ...Refimprove date September 2008 An extent is a contiguous area of storage in a computer file system , reserved for a file. When a process creates a file, file system management software allocation allocate s a whole extent. When writing to the file again, possibly after doing other write operations, the data continues where the previous write left off. This reduces or eliminates file fragmentation and possibly file sequence File scattering file scattering too. An extent based file system i.e., one that addresses storage via extents rather than in single Block data storage block s need not require limiting each file to a single, contiguous extent. The following systems support extents Automatic Storage Management ASM Automatic Storage Management Oracle Corporation Oracle s database oriented filesystem. Be File System BFS BeOS , Magnussoft ZETA Zeta and Haiku operating system Haiku operating systems. Btrfs GPL GPL d extent based file storage 16PiB 2 sup small 64 small sup max file size . Ext4 ... generation file system ref http www.pcguide.com ref hdd file ntfs filesAttr c.htm ref Reiser4 Linux filesystem in extents mode . SINTRAN III File system used by early computer company Norsk Data ... File System Enabled via the pre allocation API and CLI. XFS SGI SGI s second generation file system ref http icmanage.com pdf docs tech.filesystems perforce.pdf ref . Similar Designs The CP M file system ... more details
|
- List of file systems
, which does not bear any name apart from the name of the operating system itself. Disk file systems Disk file systems are usually block oriented. Files in a block oriented file system are sequences of blocks ... for Linux systems ext2 Second extended file system, designed for Linux systems. ext3 A Journaling ... filesystem with support for extent file systems extents . ext3cow A versioning file system form ... Xbox console. Amiga Fast File System FFS Amiga Fast File System, used on Amiga systems. This FS ... Fast File System, used on BSD systems Fossil file system Fossil Plan 9 from Bell Labs snapshot archival file system. Files 11 OpenVMS file system also used on some PDP 11 systems supports record orientated ... operating system AIX . Supports extent file systems extents . JXFS used in AmigaOS 4.1. Lisa File System ... OS systems. Succeeded by Hierarchical File System HFS . Next3 A form of ext3 with snapshots support ... Used on Minix systems NILFS Linux implementation of a log structured file system NTFS NT File System Used on Microsoft s Windows NT based operating systems NetWare File System The original Novell ... One File System. This is a fully journaled, distributed file system used by Isilon Systems Isilon ... Reliance Nitro Tree based transactional file system developed for high performance embedded systems ... UFS Unix File System, used on Solaris operating system Solaris and older BSD systems UFS2 Unix File System, used on newer BSD systems Veritas File System VxFS Veritas Software Veritas file system ... systems ZFS Sun Microsystems ZFS open source specification ported to IBM zSeries systems. File systems with built in fault tolerance These file systems have built in checksumming and either mirroring ... zFSes from IBM File systems optimized for flash memory, solid state media Main Flash file system ... file system for SSDs. Flash memory Flash file systems FFS2 presumably preceded by FFS1 , one of the earliest flash file systems. Developed and patented by Microsoft in the early 1990s. ref http patft.uspto.gov ... more details
|
- File:Puget Systems Logo.png
Summary Taken from Puget Systems website 7 14 2008. Company logo for use in the Puget Systems page, low resolution, no free equivalent. Licensing Non free logo History of File Puget Systems Logo.jpg 2008 07 18T00 50 54Z User BJBot BJBot User talk BJBot Talk Special Contributions BJBot contribs 177 bytes nowiki User BJBot BJBot , removing template from non orphaned image nowiki 2008 07 15T05 23 25Z User BJBot BJBot User talk BJBot Talk Special Contributions BJBot contribs 220 bytes nowiki User BJBot BJBot , orphaned fair use image tagging nowiki 2008 07 14T21 04 30Z User Fire67 Fire67 User talk Fire67 Talk Special Contributions Fire67 contribs 176 bytes nowiki Taken from Puget Systems website 7 14 2008. Company logo for use in the Puget Systems page, low resolution, no free equivalent. nowiki 2008 07 14T21 04 29Z User Fire67 Fire67 User talk Fire67 Talk Special Contributions Fire67 contribs 159x66 8251 bytes ... more details
|
- File:A123 Systems Logo.tiff
Summary logo fur REQUIRED Article A123 Systems Use Org HIGHLY RECOMMENDED Source Extracted from a http ir.a123systems.com common download download.cfm?companyid ABEA 3DGNI7&fileid 458828&filekey F7B9DF9E 4B7D 4726 9DB9 3AB1D7F8333F&filename A123 Systems Annual Report 2010.pdf PDF file by User Bs4173 Bs4173 User talk Bs4173 talk ADDITIONAL INFORMATION Used for Owner A123 Systems, Inc. Website History Commentary OVERRIDE FIELDS Description Portion Low resolution Purpose Replaceability other information non free logo Licensing Non free logo ... more details
|
- File:Uni-Systems logo.png
Summary logo fur REQUIRED Article Uni Systems Use Org HIGHLY RECOMMENDED Source Uploaded directly from Uni Systems office. ADDITIONAL INFORMATION Used for Owner Uni Systems, LLC Website History Commentary OVERRIDE FIELDS Description Portion Low resolution Purpose Replaceability other information This logo has been uploaded to Wikipedia with permission. Please contact bganas uni systems.com with any questions. Licensing Non free logo History of File Uni Systems logo.jpg 2008 11 25T17 16 06Z User OKBot OKBot User talk OKBot Talk Special Contributions OKBot contribs 540 bytes nowiki Non free 840 450 image, Template Non free reduce Non free reduce nowiki 2008 08 19T20 26 41Z User Bganas Bganas User talk Bganas Talk Special Contributions Bganas contribs 519 bytes nowiki Summary nowiki 2008 08 19T20 25 25Z User Bganas Bganas User talk Bganas Talk Special Contributions Bganas contribs 522 bytes nowiki logo fur REQUIRED Article Uni Systems Use Org HIGHLY RECOMMENDED Source Uploaded directly from Uni Systems office. ADDITIONAL INFORMATION Used for Owner Uni Systems, LLC Website History Commentary OVERRID nowiki 2008 08 19T20 25 25Z User Bganas Bganas User talk Bganas Talk Special Contributions Bganas contribs 840x450 113424 bytes ... more details
|
- File:Particle Systems Ltd.png
Logo of Particle Systems Ltd. Non free logo Fair Use Rationale A logo of a defunct company Current use of the image in Wikipedia causes no one financial damage Image is low resolution The logo is necessary in the article about the company Particle Systems. No free alternative History of File Particle Systems Ltd.gif 2008 03 15T18 36 07Z User CmdrObot CmdrObot User talk CmdrObot Talk Special Contributions CmdrObot contribs 298 bytes nowiki sp neccessary necessary nowiki 2007 06 03T09 49 47Z User The Merciful The Merciful User talk The Merciful Talk Special Contributions The Merciful contribs 299 bytes nowiki Fair Use Rationale nowiki 2007 04 23T19 17 26Z User Cydebot Cydebot User talk Cydebot Talk Special Contributions Cydebot contribs 47 bytes nowiki Robot Renaming non free template logo per Wikipedia Non free content templates . nowiki 2005 07 13T06 52 39Z User The Merciful The Merciful User talk The Merciful Talk Special Contributions The Merciful contribs nowiki Logo of Particle Systems Ltd. logo nowiki 2005 07 13T06 52 39Z User The Merciful The Merciful User talk The Merciful Talk Special Contributions The Merciful contribs 150x240 15063 bytes ... more details
|
- Cluster File Systems
Use mdy dates date November 2011 Infobox Company name Cluster File Systems, Inc. logo type Privately held company Private genre foundation 2001 founder Dr. Peter J. Braam location city Boulder, Colorado location country United States location locations area served key people Phil Schwan, Eric Barton, Andreas Dilger industry High Performance Computing products Lustre file system services revenue operating income net income owner num employees parent divisions subsid slogan homepage http www.clusterfs.com footnotes intl Cluster File Systems, Inc. CFS is the company that originally developed the Lustre file system Lustre distributed file system . CFS was a privately held company with offices in the United States , and China . CFS was founded in 2001 by Dr. Peter Braam . Significant customers and partners include Oak Ridge National Laboratory , Lawrence Livermore National Laboratory , National Center for Supercomputing Applications , Pacific Northwest National Laboratory , Sandia National Laboratories , the National Nuclear Security Administration , Hewlett Packard and Cray . On September 12, 2007, Sun Microsystems, Inc. signed an agreement to acquire CFS. ref http www.sun.com aboutsun pr 2007 09 sunflash.20070912.2.xml Sun Microsystems Expands High Performance Computing Portfolio with Definitive Agreement to Acquire Assets of Cluster File Systems, Including the Lustre File System , press release, September 12, 2007. ref The acquisition was completed on October 1, 2007. References references Category Software companies based in Colorado Category Privately held companies based in Colorado US software company stub ... more details
|
- File:Telco Systems logo.png
contribs 776 bytes nowiki uploaded a new version of File Telco Systems logo.gif & 32 Higher Res ...Summary logo fur REQUIRED Article Telco Systems Use Infobox HIGHLY RECOMMENDED Source Telco Systems ADDITIONAL INFORMATION Used for Company Logo Owner Telco Systems Website http www.telco.com History Commentary OVERRIDE FIELDS Description Company Logo Portion Low resolution Purpose Article Replaceability other information Licensing Non free logo History of File Telco Systems logo.gif 2009 03 14T03 32 48Z User Skier Dude Skier Dude User talk Skier Dude Talk Special Contributions Skier Dude contribs 432 bytes nowiki reduce supplied nowiki 2009 03 03T03 54 12Z User Mashkon Mashkon User talk Mashkon Talk Special Contributions Mashkon contribs 479 bytes 2009 03 03T03 53 44Z User Mashkon Mashkon User talk Mashkon Talk Special Contributions Mashkon contribs 452 bytes nowiki uploaded a new version of File Telco Systems logo.gif & 32 Reduced nowiki 2009 02 27T02 01 31Z User Salavat Salavat User talk Salavat Talk Special Contributions Salavat contribs 452 bytes nowiki minor fixes nowiki 2009 02 25T20 11 30Z User Mashkon Mashkon User talk Mashkon Talk Special Contributions Mashkon contribs 811 bytes nowiki Summary nowiki 2009 02 25T20 05 30Z User Mashkon Mashkon User talk Mashkon Talk Special Contributions Mashkon contribs 818 bytes nowiki uploaded a new version of File Telco Systems logo.gif nowiki 2009 02 25T20 04 05Z User Mashkon Mashkon User talk Mashkon Talk Special Contributions Mashkon contribs 818 bytes 2009 02 25T20 03 07Z User Mashkon Mashkon User talk Mashkon Talk Special Contributions Mashkon contribs 830 bytes 2009 02 25T20 00 13Z User Mashkon Mashkon User talk Mashkon Talk Special Contributions Mashkon contribs 794 bytes nowiki uploaded a new version of File Telco Systems logo.gif & 32 Reverted to version as of 19 49, 25 February 2009 nowiki 2009 02 25T19 59 38Z User ... INFORMATION Used for Company Logo Owner Telco Systems Website www.telco.com History Commentary ... more details
|
- List of cryptographic file systems
Portal Cryptography This is a list of filesystems with support for filesystem level encryption . General purpose filesystems with encryption Novell Storage Services on Novell NetWare NTFS with Encrypting File System EFS for Microsoft Windows ZFS filesystem encryption is due for integration in Q1 2010 Cryptographic filesystems NB Before adding any entries to this list, please make sure the entry is itself a first class file system that implements cryptography. When in doubt, please consult the filesystem level encryption article or ask on the discussion page. Filesystem in Userspace FUSE based file systems CryptoFS last released 3.2.2007 http reboot78.re.funpic.de cryptofs EncFS http www.arg0.net encfs MetFS http www.enderunix.org metfs PhoneBookFS http www.freenet.org.nz phonebook Magikfs http magikfs.sourceforge.net LessFS http www.lessfs.com Linux eCryptfs http launchpad.net ecryptfs Rubberhose filesystem discontiued, http iq.org proff rubberhose.org StegFS discontinued Other UNIX AdvFS on Digital Tru64 UNIX EVFS on HP UX Encrypted Virtual File System, http docs.hp.com en 5991 7418 ar01s01.html PEFS on FreeBSD https github.com glk pefs Geli software GELI on FreeBSD http www.freebsd.org cgi man.cgi?query geli&sektion 8 GBDE on FreeBSD http www.freebsd.org cgi man.cgi?query gbde&sektion 8 See also OTFE DEFAULTSORT List Of Cryptographic File Systems Category Computing lists Category Disk encryption Category Cryptography lists and comparisons File systems ... more details
|
- List of default file systems
Disk Block Comparison of file systems History of Microsoft Windows References references DEFAULTSORT List Of Default File Systems Category Computer file systems ...Default file system used in various operating system s. class wikitable sortable Release year Operating system File system 1981 MS DOS PC DOS FAT12 ref http en.wikipedia.org w index.php?title File Allocation Table&oldid 421692807 wikipedia File Allocation Table ref 1982 Commodore 64 Commodore 1541 1541 Commodore DOS nowrap CBM DOS 1984 Mac OS Macintosh File System MFS 1985 jun Atari TOS Modified FAT12 ref http www.alternative system.com ?page gemdos lisa&lang EN alternative system.com Revive GEMDOS for lisa ref 1985 sep Mac OS Hierarchical File System HFS 1987 Compaq MS DOS 3.31 FAT16B ref http en.wikipedia.org w index.php?title Timeline of x86 DOS operating systems&oldid 418655825 wikipedia Timeline of x86 DOS operating systems ref 1988 AmigaOS v1.3 Amiga Fast File System FFS 1989 OS 2 v1.2 High Performance File System HPFS 1990 Windows 3.0 Windows 3.1x 3.1x FAT16B ref name hackfor http books.google.com books?id hL Z3NVBBKsC&pg PA112 books.google.com Hacking exposed computer forensics secrets and solutions by Chris Davis,Aaron Philipp,David Cowen 2005 ref page 113 table 6 1 1992 Linux Extended file system ext ext2 ext3 ext4 1993 FreeBSD FreeBSD v1 v5.0 Unix File System UFS1 1994 Windows NT 3.5 NTFS ref name hackfor 1995 Windows 95 FAT16 ref name hackfor and VFAT ref name hackfor page 112 1996 Windows NT 4.0 NTFS ref name hackfor 1998 Mac OS 8 Mac OS 8.1 Mac OS X HFS Plus HFS ref http forum.soft32.com mac removing large folders database ftopict96503.html soft32.com Re removing large folders from database ref 1998 Windows 98 FAT32 ref name hackfor 2000 Windows Me FAT32 2000 Windows 2000 NTFS ref name hackfor 2001 Windows XP NTFS ref name hackfor but FAT32 is also common 2003 jun FreeBSD FreeBSD 5 FreeBSD v5.1 v9 Unix File System UFS2 2003 Windows Server 2003 NTFS ref name ... more details
|
- File:Intelligent Systems logo.png
Summary Logo fur Article Intelligent Systems Source Modified from http www.intsys.co.jp images logo.gif . The Intelligent Systems logo is copyright Intelligent Systems. Use Infobox Licensing Non free logo Game developer logos ... more details
|
- File:Epiphan Systems logo.png
SVG logo Information Description en 1 Logo for Epiphan Systems Source http www.epiphan.com images Epiphan Systems logo.png Author Epiphan Systems Date Unknown Permission PD textlogo Trademark ... more details
|
- File:Openwave Systems logo.png
Summary logo fur Article Openwave Use Infobox ADDITIONAL INFORMATION Used for Owner Website http www.openwave.com History Commentary OVERRIDE FIELDS Description Source Portion Low resolution Purpose Must be specified if Use is not Infobox Org Brand Product Replaceability other information Licensing Non free logo History of File Openwave Systems logo.jpg 2008 06 12T23 02 39Z User Melesse Melesse User talk Melesse Talk Special Contributions Melesse contribs 547 bytes nowiki adding WP FURG FUR using User AWeenieMan furme FURME nowiki 2008 06 12T11 26 22Z User Philryan Philryan User talk Philryan Talk Special Contributions Philryan contribs nowiki uploaded a new version of Image Openwave Systems logo.jpg nowiki 2008 06 12T11 12 48Z User Philryan Philryan User talk Philryan Talk Special Contributions Philryan contribs 372 bytes nowiki logo fur REQUIRED Article Use Brand HIGHLY RECOMMENDED Source ADDITIONAL INFORMATION Used for Owner Openwave Systems Inc. Website www.openwave.com History Commentary OVERRIDE FIELDS Description Portion nowiki 2008 06 12T11 26 22Z User Philryan Philryan User talk Philryan Talk Special Contributions Philryan contribs 298x75 9102 bytes 2008 06 12T11 12 47Z User Philryan Philryan User talk Philryan Talk Special Contributions Philryan contribs 596x150 21035 bytes ... more details
|
- Comparison of file systems
5.0 Lustre file system Lustre Cluster File Systems later Oracle Corporation 2002 Linux OCFS Oracle ... ref name relspec Specifications for the Reliance file systems are available http www.datalight.com ... like systems disallow the characters nowiki and NUL nowiki in file and directory names across all ... support for file systems 16 TB ref Lustre file system Lustre nts 255 bytes ntsh 255 Any byte except ... if the file has an Extended Attribute block. ref No ref name 9660atime Not applicable to file systems ... 4, and some other Unix systems, retrofitted symbolic links to their versions of the Version 7 Unix file ... notable differences. Not only could they cross file systems but they could point to entirely ... tables compare general and technical information for a number of file system s. General information ... height 1.25 File system Creator Year br introduced Original operating system DECtape Digital Equipment ... 2 International Computers and Tabulators ICT later ICL 1968 George 2 Version 6 Unix file system V6FS ... file system Digital Equipment Corporation DEC 1973 RT 11 DOS GEC 4000 series GEC The General Electric Company plc GEC 1973 Core Operating System CP M File system CP M file system Gary Kildall 1974 CP M OS4000 The General Electric Company plc GEC 1977 OS4000 File Allocation Table FAT 8 bit Microsoft ... Microsoft Disk BASIC Apple DOS DOS 3.x This is the name of a file system and an operating system Apple Computer 1978 Apple DOS Apple Pascal Pascal This is the name of a file system and an operating system ... BASIC Microsoft BASIC for CBM PET Version 7 Unix file system V7FS Bell Labs 1979 Version 7 ... System ADFS Acorn Computers Ltd 1983 Acorn Electron later Arthur RISC OS Berkeley Fast File System FFS Marshall Kirk McKusick Kirk McKusick 1983 BSD 4.2BSD PRODOS ProDOS This is the name of a file system and an operating system Apple Computer 1983 PRODOS ProDOS 8 Macintosh File System MFS Apple Computer 1984 Mac OS FAT16 The original FAT16 file system with 16 bit sector entries was introduced with DOS ... more details
|
- File:Systems of Government.png
Summary Countries that are presidential systems and electoral democracies are shown in blue, those that are not in red. Parliamentary systems of government are shown in green. Licensing PD self date June 2007 Orphan image Copy to Wikimedia Commons bot Fbot ... more details
|
- File:Berkeley Systems logo.PNG
Summary logo fur Article Berkeley Systems Use Infobox Website http www.berksys.com Wayback url http www.berksys.com title Berkeley Systems Toasted date 19970102213049 Licensing Non free logo Software company logos ... more details
|
- File:Peregrine Systems logo.svg
Summary logo fur Article Peregrine Systems Use Infobox Source http seeklogo.com peregrine systems logo 107599.html Seeklogo.com Licensing Non free logo SVG Logo ... more details
|
- File:Avenda systems logo.png
Summary logo fur REQUIRED Article Avenda Systems Use Org HIGHLY RECOMMENDED Source http www.avendasys.com ADDITIONAL INFORMATION Used for Avenda Systems Owner Avenda Systems Website http www.avendasys.com History Commentary OVERRIDE FIELDS Description This is the logo of Avenda Systems Portion Low resolution Purpose Replaceability other information Licensing Non free logo ... more details
|
- File:BAE Systems revenue.PNG
Notes Electronics, Intelligence & Support 23 Includes majority of US business BAE Systems Inc. . BAE Systems Land and Armaments Land & Armaments 34 Produces armoured combat vehicles, tactical wheeled vehicles, naval guns, missile launchers, artillery systems and munitions. Main business in the US, UK, Sweden and South Africa. Programmes 24 Majority of UK businesses BAE Systems Military Air Solutions , 55 of BVT Surface Fleet , BAE Systems Submarine Solutions , BAE Systems Integrated System Technologies BAE Systems Insyte and Detica . International Businesses 18 Includes BAE Systems Customer Solutions & Support International Saudi Arabian business , BAE Systems Australia, SAAB 20.5 , and MBDA 37.5 . HQ and other businesses 1 Includes BAE Systems Regional Aircraft and support activities as well as costs of administration, UK shared services activity , including research centres, property management and corporate air travel. Licensing PD self date February 2009 Copy to Wikimedia Commons bot Fbot priority true ... more details
|
- File:Xsigo Systems logo.jpg
Summary logo fur REQUIRED Article Xsigo Systems Use Org HIGHLY RECOMMENDED Source http www.xsigo.com index.php ADDITIONAL INFORMATION Used for Owner Website History Commentary OVERRIDE FIELDS Description This is the logo of Xsigo Systems Portion Low resolution Purpose Replaceability other information Licensing Non free logo ... more details
|
- File:Ramco Systems logo.svg
Summary logo fur Article Ramco Systems Use Infobox Website http www.ramco.com Investor ramco ar 2009 10.pdf Ramco Systems Annual Report 2009 2010 on http www.ramco.com www.ramco.com Licensing Non free logo SVG logo ... more details
|
- File:Axios Systems logo.svg
Summary logo fur Article Axios Systems Use Infobox Website http www.axiossystems.com six en corporate contact HQ.pdf Axios Systems Global HQ on http www.axiossystems.com www.axiossystems.com Low resolution SVG Res Licensing Non free logo SVG logo ... more details
|
- File:PANTA Systems Logo.svg
Summary logo fur Article PANTA Use Infobox ADDITIONAL INFORMATION Used for Owner PANTA Systems Inc. Website History Commentary OVERRIDE FIELDS Description Source Portion Low resolution Purpose Must be specified if Use is not Infobox Org Brand Product Replaceability other information This is a low resolution image of the PANTA PANTA Systems logo this is a fair use compatible image, the copyright owner is PANTA Systems Inc. Licensing Non free logo SVG Logo ... more details
|
- File:Origin Systems logo.png
Summary This is Origin Systems logo. Fair use rationale Non free use rationale Description This is Origin Systems logo. Source http www.thealmightyguru.com Database DB OriginSystemsInc.html Portion logo Low resolution yes Article Origin Systems Purpose illustration of the company s logo Replaceability No free alternative for commercially released other information Licensing Non free logo Game developer logos ... more details
|
- File:Energy Systems Symbols.gif
Symbols of the Energy Systems Language constructed by Sholto Maud no rights reserved GFDL self with disclaimers migration relicense Copy to Wikimedia Commons bot Fbot Orphan image ... more details
|
Encyclopedia
top
