ext2

E37332

ext2 is a widely used early Linux disk file system known for its simplicity, robustness, and lack of journaling.


Statements (48)
Predicate Object
instanceOf Linux file system
block-based file system
file system
category Linux file systems
non-journaling file systems
designGoal improve performance over ext
improve reliability over ext
replace the original Linux ext file system
support larger file systems than ext
developer Rémy Card
The Linux community
fileSystemType native Linux file system
hasFeature bitmaps for free blocks and inodes
block groups
extensible inode structure
lack of journaling
robustness
simple design
support for Unix-style permissions
support for different block sizes
support for file system labels
support for hard links
support for large file systems (for its time)
support for reserved blocks for root
support for symbolic links
kernelIntegration implemented in the Linux kernel
license GNU General Public License
mountOption acl
noatime
quota
sync
user
operatingSystem Linux
predecessor ext
releaseDate 1993
successor ext3
ext4
supportsFeature file system checking with fsck.ext2
supportsMaxFileSize 2 TiB (with typical configurations)
supportsMaxVolumeSize 4 TiB (with typical configurations)
supportsOperatingSystem Linux
tool e2fsck
mke2fs
tune2fs
usedAs basis for ext3
basis for ext4
default Linux file system in the 1990s
underlying file system for some flash storage

Referenced by (2)
Subject (surface form when different) Predicate
ReiserFS
comparedTo
Linux
supportsFileSystem

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