ext4

E37465
Linux file system file system journaling file system

ext4 is a widely used, journaling fourth-generation extended file system for Linux, designed for improved performance, reliability, and support for large volumes and files.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (4)

Label Occurrences
ext4 canonical 4
Extended file system 2
Fourth Extended File System 1

Statements (50)

Predicate Object
instanceOf Linux file system ⓘ
file system ⓘ
journaling file system ⓘ
backwardCompatibleWith ext2 ⓘ
ext3 ⓘ
defaultFileSystemOn many Linux distributions ⓘ
designGoal improved performance ⓘ
improved reliability ⓘ
support for large files ⓘ
support for large volumes ⓘ
developer The Linux community ⓘ
fullName ext4 self-linksurface differs ⓘ
surface form: Fourth Extended File System
initialMainlineReleaseYear 2008 ⓘ
introducedInLinuxKernelVersion 2.6.28 ⓘ
license GPL-compatible (as part of the Linux kernel) ⓘ
maxFileSize 16 TiB (with 4 KiB block size, typical configuration) ⓘ
maxFileSystemSize 1 EiB (theoretical design limit) ⓘ
operatingSystem Linux ⓘ
predecessor ext3 ⓘ
supports64bitBlockNumbers true ⓘ
supportsACLs true ⓘ
supportsBarriers true ⓘ
supportsCaseSensitiveFilenames true ⓘ
supportsDelayedAllocation true ⓘ
supportsDirectoryIndexing true ⓘ
supportsDiscardTRIM true ⓘ
supportsEncryption true ⓘ
supportsExtentBasedAllocation true ⓘ
supportsExtentsForFiles true ⓘ
supportsFastFsck true ⓘ
supportsFlexibleBlockGroups true ⓘ
supportsHardLinks true ⓘ
supportsHugeFiles true ⓘ
supportsJournalChecksumming true ⓘ
supportsJournalInFile true ⓘ
supportsJournaling true ⓘ
supportsMetadataChecksums true ⓘ
supportsMultiblockAllocation true ⓘ
supportsNanosecondTimestamps true ⓘ
supportsOnlineDefragmentation true ⓘ
supportsPersistentPreallocation true ⓘ
supportsPOSIXPermissions true ⓘ
supportsProjectQuotas true ⓘ
supportsQuota true ⓘ
supportsResizeOffline true ⓘ
supportsResizeOnline true ⓘ
supportsSparseFiles true ⓘ
supportsSubdirectoryScalability true ⓘ
supportsSymbolicLinks true ⓘ
supportsUninitializedBlockGroups true ⓘ

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

Linux → supportsFileSystem → ext4 ⓘ
openSUSE → supports → ext4 ⓘ
ext4 → fullName → ext4 self-linksurface differs ⓘ
this entity surface form: Fourth Extended File System
Linux/m68k → supportsFileSystem → ext4 ⓘ
Rémy Card → influenced → ext4 ⓘ
this entity surface form: ext4 file system
Minix filesystem → influenced → ext4 ⓘ
this entity surface form: Extended file system
Minix filesystem → replacedBy → ext4 ⓘ
this entity surface form: Extended file system
Linux kernel → supportsFilesystem → ext4 ⓘ