| name | follows | bad blocks | directory contents | file allocation | partition identifier | Allowed characters in filenames | Attributes | Website | Data deduplication | Date range | date recorded | date released | File system permissions | Forks | Operating system | Max file size | Max filename length | Max number of files | Max volume size | time resolution (ns) | Transparent compression | Transparent encryption |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ext2 | Extended file system | Table | Table | Bitmap | All bytes except NUL (''\0'') and ''/'' | no-atime, append-only, synchronous-write, no-dump, / h-tree (directory), immutable, log, secure-delete, top (directory), allow-undelete | website | 14/12/1901 - 18/01/2038 | 1993 | Yes | Linux | 16[GiB] | 255 | 1,018 | 16[TIB] | 1,000,000,000 | ||||||
| Ext3 | Ext2 | Table | Tree | Bitmap | All bytes except NUL (''\0'') and ''/'' | allow-undelete, append-only, h-tree (directory), immutable, journal, no-atime, no-dump, secure-delete, synchronous-write, top (directory) | website | 14/12/1901 - 18/01/2038 | 11/2001 | Yes | Linux kernel | 16[GiB] | 255 | 4[TIB] | 1,000,000,000 | |||||||
| Hierarchical File System | Macintosh File System | B-tree | Tree | Bitmap | Primary | All 8-bit values except colon ":". Discouraged null and nonprints. | Color (3 bits, all other flags 1 bit), locked, custom icon, bundle, invisible, alias, system, stationery, inited, no INIT resources, shared, desktop | website | 01/01/1904 - 06/02/2040 | 17/09/1985 | MacOS | 2[GB] | 31 | 65,535 | 2[TB] | 1,000,000,000 |