<!DOCTYPE html>
<html class="client-nojs vector-feature-night-mode-disabled vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-sticky-header-enabled" lang="en" dir="ltr"><head>
<meta charset="UTF-8">
<title>Extent File System</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="canonical" href="https://en.wikipedia.org/wiki/Extent_File_System"> <link href="./mw/skins.vector.icons.css" rel="stylesheet" type="text/css">
<link href="./mw/skins.vector.search.codex.styles.css" rel="stylesheet" type="text/css">
<link href="./mw/skins.vector.styles.css" rel="stylesheet" type="text/css">
<link href="./mw/user.styles.css" rel="stylesheet" type="text/css">
<meta name="ResourceLoaderDynamicStyles" content="">
<link rel="stylesheet" type="text/css" href="./mw/site.styles.css">
<link rel="stylesheet" type="text/css" href="./mw/noscript.css">
<link rel="stylesheet" type="text/css" href="./footer.css">
<link rel="stylesheet" type="text/css" href="./vector-2022.css">
</head>
<body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject page-Extent_File_System rootpage-Extent_File_System skin-vector-2022 action-view">
<div class="mw-page-container">
<div class="mw-page-container-inner">
<div class="mw-content-container">
<main id="content" class="mw-body">
<header class="mw-body-header vector-page-titlebar">
<h1 id="firstHeading" class="firstHeading mw-first-heading">
<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Extent File System</span></span>
</h1>
</header>
<a id="top"></a>
<div id="bodyContent" class="vector-body ve-init-mw-desktopArticleTarget-targetContainer" aria-labelledby="firstHeading" data-mw-ve-target-container="">
<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="en" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r1236090951">
/* start https://en.wikipedia.org/ */
.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}
/* end https://en.wikipedia.org/ */
</style><div role="note" class="hatnote navigation-not-searchable">Not to be confused with <a href="Encrypting_File_System" title="Encrypting File System">Encrypting File System</a>.</div>
<style data-mw-deduplicate="TemplateStyles:r1295905060">
/* start https://en.wikipedia.org/ */
.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}
/* end https://en.wikipedia.org/ */
</style><table class="infobox vevent"><caption class="infobox-title summary">Extent File System</caption><tbody><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Software_developer" class="mw-redirect" title="Software developer">Developer(s)</a></th><td class="infobox-data"><a href="Silicon_Graphics" title="Silicon Graphics">Silicon Graphics</a></td></tr><tr><th colspan="2" class="infobox-header">Other</th></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Supported<br><a href="Operating_system" title="Operating system">operating systems</a></th><td class="infobox-data"><a href="IRIX" title="IRIX">IRIX</a></td></tr></tbody></table>
<p><b>Extent File System</b> (<b>EFS</b>) is an older extent-based <a href="File_system" title="File system">file system</a> used in <a href="IRIX" title="IRIX">IRIX</a> releases prior to version 5.3. It has been superseded by <a href="XFS" title="XFS">XFS</a>.
</p>
<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>
<ul><li><a rel="nofollow" class="external text" href="http://www.aeschi.eu/efs/">EFS support for Linux</a></li>
<li><a rel="nofollow" class="external text" href="http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/fs/efs/">EFS support for NetBSD</a></li></ul>
<div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">
/* start https://en.wikipedia.org/ */
.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" ยท ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}
/* end https://en.wikipedia.org/ */
</style><style data-mw-deduplicate="TemplateStyles:r1236075235">
/* start https://en.wikipedia.org/ */
.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}
/* end https://en.wikipedia.org/ */
</style></div><div role="navigation" class="navbox" aria-labelledby="File_systems283" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><style data-mw-deduplicate="TemplateStyles:r1239400231">
/* start https://en.wikipedia.org/ */
.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}
/* end https://en.wikipedia.org/ */
</style><div id="File_systems283" style="font-size:114%;margin:0 4em"><a href="File_system" title="File system">File systems</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div>
<ul><li><a href="Comparison_of_file_systems" title="Comparison of file systems">Comparison of file systems</a>
<ul><li><a href="Comparison_of_distributed_file_systems" title="Comparison of distributed file systems">distributed</a></li></ul></li>
<li><a href="Unix_filesystem" title="Unix filesystem">Unix filesystem</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Disk and<br>non-rotating</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Advanced_Disc_Filing_System" title="Advanced Disc Filing System">ADFS</a></li>
<li><a href="AdvFS" title="AdvFS">AdvFS</a></li>
<li><a href="Amiga_Fast_File_System" title="Amiga Fast File System">Amiga FFS</a></li>
<li><a href="Amiga_Old_File_System" title="Amiga Old File System">Amiga OFS</a></li>
<li><a href="Apple_File_System" title="Apple File System">APFS</a></li>
<li><a href="AtheOS_File_System" class="mw-redirect" title="AtheOS File System">AthFS</a></li>
<li><a href="Bcachefs" title="Bcachefs">bcachefs</a></li>
<li>BFS
<ul><li><a href="Be_File_System" title="Be File System">Be File System</a></li>
<li><a href="Boot_File_System" title="Boot File System">Boot File System</a></li>
<li>Byte File System (<a href="Z/VM" title="Z/VM">z/VM</a>)</li></ul></li>
<li><a href="Btrfs" title="Btrfs">Btrfs</a></li>
<li><a href="StorNext_File_System" title="StorNext File System">CVFS</a></li>
<li><a href="CXFS" title="CXFS">CXFS</a></li>
<li><a href="Disc_Filing_System" title="Disc Filing System">DFS</a></li>
<li>EFS
<ul><li><a href="Encrypting_File_System" title="Encrypting File System">Encrypting File System</a></li>
</ul></li>
<li><a href="Episode_filesystem" title="Episode filesystem">Episode</a></li>
<li><a href="Extended_file_system" title="Extended file system">ext</a>
<ul><li><a href="Ext2" title="Ext2">ext2</a></li>
<li><a href="Ext3" title="Ext3">ext3</a></li>
<li><a href="Ext3cow" title="Ext3cow">ext3cow</a></li>
<li><a href="Ext4" title="Ext4">ext4</a></li></ul></li>
<li><a href="File_Allocation_Table" title="File Allocation Table">FAT</a>
<ul><li><a href="ExFAT" title="ExFAT">exFAT</a></li></ul></li>
<li><a href="Files-11" title="Files-11">Files-11</a></li>
<li><a href="Fossil_(file_system)" title="Fossil (file system)">Fossil</a></li>
<li><a href="GPFS" title="GPFS">GPFS</a></li>
<li><a href="HAMMER_(file_system)" title="HAMMER (file system)">HAMMER</a>
<ul><li><a href="HAMMER2" title="HAMMER2">HAMMER2</a></li></ul></li>
<li><a href="Hierarchical_File_System_(Apple)" title="Hierarchical File System (Apple)">HFS</a> (<a href="Classic_Mac_OS" title="Classic Mac OS">Classic Mac OS</a>)</li>
<li><a href="Hierarchical_File_System_(IBM_MVS)" title="Hierarchical File System (IBM MVS)">HFS</a> (<a href="MVS" title="MVS">MVS</a>)</li>
<li><a href="HFS_Plus" title="HFS Plus">HFS+</a></li>
<li><a href="High_Performance_File_System" title="High Performance File System">HPFS</a></li>
<li><a href="High_Throughput_File_System" title="High Throughput File System">HTFS</a></li>
<li><a href="JFS_(file_system)" title="JFS (file system)">JFS</a></li>
<li><a href="Log-structured_File_System_(BSD)" title="Log-structured File System (BSD)">LFS</a></li>
<li>MFS
<ul><li><a href="Macintosh_File_System" title="Macintosh File System">Macintosh File System</a></li>
<li><a href="TiVo_Media_File_System" title="TiVo Media File System">TiVo Media File System</a></li></ul></li>
<li><a href="MINIX_file_system" title="MINIX file system">MINIX</a></li>
<li><a href="NetWare_File_System" title="NetWare File System">NetWare File System</a></li>
<li><a href="Next3" title="Next3">Next3</a></li>
<li><a href="NILFS" title="NILFS">NILFS</a>
<ul><li><a href="NILFS" title="NILFS">NILFS2</a></li></ul></li>
<li><a href="Novell_Storage_Services" title="Novell Storage Services">NSS</a></li>
<li><a href="NTFS" title="NTFS">NTFS</a></li>
<li><a href="OneFS_distributed_file_system" title="OneFS distributed file system">OneFS</a></li>
<li><a href="OpenZFS" title="OpenZFS">OpenZFS</a></li>
<li><a href="Professional_File_System" title="Professional File System">PFS</a></li>
<li><a href="QFS" title="QFS">QFS</a></li>
<li><a href="QNX4FS" title="QNX4FS">QNX4FS</a></li>
<li><a href="ReFS" title="ReFS">ReFS</a></li>
<li><a href="ReiserFS" title="ReiserFS">ReiserFS</a>
<ul><li><a href="Reiser4" title="Reiser4">Reiser4</a></li></ul></li>
<li><a href="Datalight#Reliance_family" title="Datalight">Reliance</a></li>
<li><a href="Datalight#Reliance_Nitro" title="Datalight">Reliance Nitro</a></li>
<li><a href="Remote_File_Sharing" title="Remote File Sharing">RFS</a></li>
<li>SFS
<ul><li>Shared File System (<a href="VM_(operating_system)" title="VM (operating system)">VM</a>)</li>
<li><a href="Smart_File_System" title="Smart File System">Smart File System</a></li></ul></li>
<li><a href="StorNext_File_System" title="StorNext File System">SNFS</a></li>
<li><a href="Soup_(Apple)" title="Soup (Apple)">Soup (Apple)</a></li>
<li><a href="Tux3" title="Tux3">Tux3</a></li>
<li><a href="UBIFS" title="UBIFS">UBIFS</a></li>
<li><a href="Unix_File_System" title="Unix File System">UFS/UFS2</a>
<ul><li><a href="Soft_updates" title="Soft updates">soft updates</a></li>
<li><a href="Write_Ahead_Physical_Block_Logging" title="Write Ahead Physical Block Logging">WAPBL</a></li></ul></li>
<li><a href="Veritas_File_System" title="Veritas File System">VxFS</a></li>
<li><a href="Write_Anywhere_File_Layout" title="Write Anywhere File Layout">WAFL</a></li>
<li><a href="Xiafs" title="Xiafs">Xiafs</a></li>
<li><a href="XFS" title="XFS">XFS</a></li>
<li><a href="Xsan" title="Xsan">Xsan</a></li>
<li><a href="ZFS_(z/OS_file_system)" title="ZFS (z/OS file system)">zFS</a> (<a href="Z/OS" title="Z/OS">z/OS</a>)</li>
<li><a href="ZFS" title="ZFS">ZFS</a> (<a href="Sun_Microsystems" title="Sun Microsystems">Sun</a>)</li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Optical_disc" title="Optical disc">Optical disc</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="High_Sierra_Format" class="mw-redirect" title="High Sierra Format">HSF</a></li>
<li><a href="ISO_9660" title="ISO 9660">ISO 9660</a></li>
<li><a href="ISO_13490" title="ISO 13490">ISO 13490</a></li>
<li><a href="Universal_Disk_Format" title="Universal Disk Format">UDF</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Flash_memory" title="Flash memory">Flash memory</a> and <a href="Solid-state_drive" title="Solid-state drive">SSD</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Apple_File_System" title="Apple File System">APFS</a></li>
<li><a href="File_Allocation_Table" title="File Allocation Table">FAT</a></li>
<li><a href="ExFAT" title="ExFAT">exFAT</a></li>
<li><a href="Transaction-Safe_FAT_File_System" title="Transaction-Safe FAT File System">TFAT</a></li>
<li><a href="EROFS" title="EROFS">EROFS</a></li>
<li><a href="F2FS" title="F2FS">F2FS</a></li>
<li><a href="JFS_(file_system)" title="JFS (file system)">JFS</a></li>
<li><a href="Non-Volatile_File_System" title="Non-Volatile File System">NVFS</a></li></ul>
</div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="host-side_wear_leveling27" scope="row" class="navbox-group" style="width:1%">host-side <a href="Wear_leveling" title="Wear leveling">wear leveling</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="CHFS" title="CHFS">CHFS</a></li>
<li><a href="JFFS" title="JFFS">JFFS</a></li>
<li><a href="JFFS2" title="JFFS2">JFFS2</a></li>
<li><a href="LogFS" title="LogFS">LogFS</a></li>
<li><a href="NILFS" title="NILFS">NILFS</a>
<ul><li><a href="NILFS" title="NILFS">NILFS2</a></li></ul></li>
<li><a href="YAFFS" title="YAFFS">YAFFS</a></li>
<li><a href="UBIFS" title="UBIFS">UBIFS</a></li></ul>
</div></td></tr></tbody></table><div>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Clustered_file_system#Distributed_file_systems" title="Clustered file system">Distributed parallel</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="BeeGFS" title="BeeGFS">BeeGFS</a></li>
<li><a href="Ceph_(software)" title="Ceph (software)">Ceph</a></li>
<li><a href="CXFS" title="CXFS">CXFS</a></li>
<li><a href="GFS2" title="GFS2">GFS2</a></li>
<li><a href="Google_File_System" title="Google File System">Google File System</a></li>
<li><a href="OCFS2" title="OCFS2">OCFS2</a></li>
<li><a href="OrangeFS" title="OrangeFS">OrangeFS</a></li>
<li><a href="Parallel_Virtual_File_System" title="Parallel Virtual File System">PVFS</a></li>
<li><a href="Quantcast_File_System" title="Quantcast File System">QFS</a></li>
<li><a href="Xsan" title="Xsan">Xsan</a></li>
<li><i><a href="List_of_file_systems#Distributed_parallel_file_systems" title="List of file systems">more...</a></i></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Network-attached_storage" title="Network-attached storage">NAS</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="9P_(protocol)" title="9P (protocol)">9P</a></li>
<li><a href="Andrew_File_System" title="Andrew File System">AFS</a> (<a href="OpenAFS" title="OpenAFS">OpenAFS</a>)</li>
<li><a href="Apple_Filing_Protocol" title="Apple Filing Protocol">AFP</a></li>
<li><a href="Coda_(file_system)" title="Coda (file system)">Coda</a></li>
<li><a href="Distributed_File_System_(Microsoft)" title="Distributed File System (Microsoft)">DFS</a></li>
<li><a href="Google_File_System" title="Google File System">Google File System</a></li>
<li><a href="GPFS" title="GPFS">GPFS</a></li>
<li><a href="Lustre_(file_system)" title="Lustre (file system)">Lustre</a></li>
<li><a href="NetWare_Core_Protocol" title="NetWare Core Protocol">NCP</a></li>
<li><a href="Network_File_System" title="Network File System">NFS</a></li>
<li><a href="Elliptics" title="Elliptics">POHMELFS</a></li>
<li><a href="Apache_Hadoop" title="Apache Hadoop">Hadoop</a></li>
<li><a href="Server_Message_Block" title="Server Message Block">SMB (CIFS)</a></li>
<li><a href="SSHFS" title="SSHFS">SSHFS</a></li>
<li><i><a href="List_of_file_systems#Distributed_file_systems" title="List of file systems">more...</a></i></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Specialized</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Aufs" title="Aufs">Aufs</a></li>
<li><a href="AXFS" title="AXFS">AXFS</a></li>
<li><a href="Boot_File_System" title="Boot File System">Boot File System</a></li>
<li><a href="Compact_Disc_File_System" title="Compact Disc File System">Compact Disc File System</a></li>
<li><a href="Cramfs" title="Cramfs">cramfs</a></li>
<li><a href="Davfs2" title="Davfs2">Davfs2</a></li>
<li><a href="EROFS" title="EROFS">EROFS</a></li>
<li><a href="FTPFS" title="FTPFS">FTPFS</a></li>
<li><a href="Filesystem_in_Userspace" title="Filesystem in Userspace">FUSE</a></li>
<li><a href="Lnfs" title="Lnfs">Lnfs</a></li>
<li><a href="Linear_Tape_File_System" title="Linear Tape File System">LTFS</a></li>
<li><a href="NOVA_(filesystem)" title="NOVA (filesystem)">NOVA</a></li>
<li><a href="Rational_MultiVersion_File_System" class="mw-redirect" title="Rational MultiVersion File System">MVFS</a></li>
<li><a href="SquashFS" title="SquashFS">SquashFS</a></li>
<li><a href="FAT_filesystem_and_Linux" title="FAT filesystem and Linux">UMSDOS</a></li>
<li><a href="OverlayFS" title="OverlayFS">OverlayFS</a></li>
<li><a href="UnionFS" title="UnionFS">UnionFS</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Pseudo</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Configfs" title="Configfs">configfs</a></li>
<li><a href="Device_file" title="Device file">devfs</a></li>
<li><a href="Debugfs" title="Debugfs">debugfs</a></li>
<li><a href="Kernfs_(BSD)" title="Kernfs (BSD)">kernfs</a></li>
<li><a href="Procfs" title="Procfs">procfs</a></li>
<li>specfs</li>
<li><a href="Sysfs" title="Sysfs">sysfs</a></li>
<li><a href="Tmpfs" title="Tmpfs">tmpfs</a></li>
<li><a href="WinFS" title="WinFS">WinFS</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Filesystem-level_encryption" title="Filesystem-level encryption">Encrypted</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="ECryptfs" title="ECryptfs">eCryptfs</a></li>
<li><a href="EncFS" title="EncFS">EncFS</a></li>
<li><a href="Encrypting_File_System" title="Encrypting File System">EFS</a></li>
<li><a href="Rubberhose_(file_system)" class="mw-redirect" title="Rubberhose (file system)">Rubberhose</a></li>
<li><a href="SSHFS" title="SSHFS">SSHFS</a></li>
<li><a href="Oracle_ZFS" title="Oracle ZFS">ZFS</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Types</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Clustered_file_system" title="Clustered file system">Clustered</a>
<ul><li><a href="Global_file_system" title="Global file system">Global</a></li>
<li><a href="Grid_file_system" title="Grid file system">Grid</a></li>
<li><a href="Self-certifying_File_System" title="Self-certifying File System">Self-certifying</a></li></ul></li>
<li><a href="Flash_file_system" title="Flash file system">Flash</a></li>
<li><a href="Journaling_file_system" title="Journaling file system">Journaling</a></li>
<li><a href="Log-structured_file_system" title="Log-structured file system">Log-structured</a></li>
<li><a href="Object_storage" title="Object storage">Object</a></li>
<li><a href="Record-oriented_filesystem" title="Record-oriented filesystem">Record-oriented</a></li>
<li><a href="Semantic_file_system" title="Semantic file system">Semantic</a></li>
<li><a href="Steganographic_file_system" title="Steganographic file system">Steganographic</a></li>
<li><a href="Synthetic_file_system" title="Synthetic file system">Synthetic</a></li>
<li><a href="Versioning_file_system" title="Versioning file system">Versioning</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Features</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Case_preservation" title="Case preservation">Case preservation</a></li>
<li><a href="Copy-on-write" title="Copy-on-write">Copy-on-write</a></li>
<li><a href="Data_deduplication" title="Data deduplication">Data deduplication</a></li>
<li><a href="Data_scrubbing" title="Data scrubbing">Data scrubbing</a></li>
<li><a href="Execute_in_place" title="Execute in place">Execute in place</a></li>
<li><a href="Extent_(file_systems)" title="Extent (file systems)">Extent</a></li>
<li><a href="File_attribute" title="File attribute">File attribute</a>
<ul><li><a href="Extended_file_attributes" title="Extended file attributes">Extended file attributes</a></li></ul></li>
<li><a href="File_change_log" title="File change log">File change log</a></li>
<li><a href="Fork_(file_system)" title="Fork (file system)">Fork</a></li>
<li><a href="Inode" title="Inode">Inode</a></li>
<li>Links
<ul><li><a href="Hard_link" title="Hard link">Hard</a></li>
<li><a href="Symbolic_link" title="Symbolic link">Symbolic</a></li></ul></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Computer_access_control" title="Computer access control">Access control</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Access-control_list" title="Access-control list">Access-control list</a></li>
<li><a href="Filesystem-level_encryption" title="Filesystem-level encryption">Filesystem-level encryption</a></li>
<li><a href="File-system_permissions" title="File-system permissions">Permissions</a>
<ul><li><a href="Chmod" title="Chmod">Modes</a></li>
<li><a href="Sticky_bit" title="Sticky bit">Sticky bit</a></li></ul></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Interface_(computing)" title="Interface (computing)">Interfaces</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="File_manager" title="File manager">File manager</a></li>
<li><a href="File_system_API" title="File system API">File system API</a>
<ul><li><a href="Installable_File_System" title="Installable File System">Installable File System</a></li></ul></li>
<li><a href="Virtual_file_system" title="Virtual file system">Virtual file system</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="List_of_file_systems" title="List of file systems">Lists</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="List_of_cryptographic_file_systems" title="List of cryptographic file systems">Cryptographic</a></li>
<li><a href="List_of_default_file_systems" title="List of default file systems">Default</a></li>
<li><a href="List_of_log-structured_file_systems" title="List of log-structured file systems">Log-structured</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Layouts</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Master_Boot_Record" class="mw-redirect" title="Master Boot Record">Master Boot Record</a></li>
<li><a href="GUID_Partition_Table" title="GUID Partition Table">GUID Partition Table</a></li>
<li><a href="Apple_Partition_Map" title="Apple Partition Map">Apple Partition Map</a></li></ul>
</div></td></tr></tbody></table></div></div><!--htdig_noindex--><div><div class="zim-footer">
This article is issued from <a class="external text" title="Last edited on 2020-06-22" href="https://en.wikipedia.org/wiki/?title=Extent_File_System&oldid=963954186">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.
</div>
</div><!--/htdig_noindex--></div>
</div>
</main>
</div>
</div>
</div>
</body></html>