ext2
E37332
ext2 is a widely used early Linux disk file system known for its simplicity, robustness, and lack of journaling.
All labels observed (4)
| Label | Occurrences |
|---|---|
| ext2 canonical | 4 |
| ext2 file system | 2 |
| Second extended file system (ext2) | 1 |
| extended file system | 1 |
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 (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Second extended file system (ext2)