Fourth Extended File System

GPTKB entity

Statements (30)
Predicate Object
gptkbp:instanceOf file format
gptkbp:abbreviation gptkb:ext4
gptkbp:developer gptkb:Theodore_Ts'o
gptkb:The_Linux_community
gptkbp:features large volume support
delayed allocation
online defragmentation
backward compatibility with ext3
extents
large file support
multiblock allocation
persistent pre-allocation
journal checksumming
improved timestamps
journal mode
gptkbp:fileNameLengthLimit 255 bytes
https://www.w3.org/2000/01/rdf-schema#label Fourth Extended File System
gptkbp:license gptkb:GNU_General_Public_License
gptkbp:maxFileSize 16 TiB
gptkbp:maxVolumeSize 1 EiB
gptkbp:openSource yes
gptkbp:operatingSystem gptkb:Linux
gptkbp:predecessor gptkb:Third_Extended_File_System
gptkbp:releaseDate 2008
gptkbp:successor gptkb:Btrfs
gptkbp:supportsFormat many Linux distributions
journaling file system
gptkbp:website https://www.kernel.org/doc/html/latest/filesystems/ext4.html
gptkbp:bfsParent gptkb:Second_Extended_File_System
gptkbp:bfsLayer 7