sn |
File system |
Creator |
Year of introduction |
Original operating system |
许可 |
Maximum filename length 文件名长度 |
Allowable characters in directory entries 目录条目中 允许的字符 |
Maximum Pathname length 路径名长度 |
Maximum File size 文件大小 |
Maximum volume size 卷大小 |
Max number Of files 文件数 |
Stores File owner 存储文件 所有者 |
POSIX file Permissions 文件权限 |
Creation Timestamps 创建时间戳 |
Last access/ Read timestamps 上次访问/ 读取时间戳 |
Last metadata Change timestamps 上次元数据 更改时间戳 |
Last archive Timestamps 上次存档 时间戳 |
Access Control lists 访问控制 列表 |
Security/ MAC labels 安全/MAC 标签 |
Extended attributes/ Alternate data streams/ Forks 扩展属性/ 备用数据流/分叉 |
Metadata Checksum/ ECC 元数据 校验和 /ECC |
Hard links 硬链接 |
Symbolic links 符号链接 |
Block journaling 块日志 |
Metadata-only journaling 仅元数据日志 |
Case-sensitive 区分大小写 |
Case-preserving 保案 |
File Change Log 文件更改日志 |
XIP |
Internal snapshotting / branching 内部快照/分支 |
encryption 加密 |
deduplication 重复数据删除 |
Data checksum/ ECC 数据校验和/ECC |
Persistent Cache 持久缓存 |
Multiple Devices 多个设备 |
compression 压缩 |
Host OS 主机操作系统 |
Offline grow 线下成长 |
Online grow 线上成长 |
Offline shrink 离线收缩 |
Online shrink 在线收缩 |
add and remove physical volumes 添加和删除物理卷 |
Sparse files 稀疏文件 |
Block suballocation 块再分配 |
Tail packing 尾部包装 |
Extents 范围 |
Variable file block size 可变文件块大小 |
Allocate-on-flush 分配时刷新 |
Copy on write 写入时复制 |
Trim support 修整支撑 |
DOS |
Linux |
macOS |
Windows 9x |
Windows NT |
classic Mac OS |
FreeBSD |
OS/2 |
BeOS |
Minix |
Solaris |
z/OS |
Yes M:BK |
os AZ:BK |
sn2 |
1 |
APFS |
Apple |
2016 |
macOS High Sierra, iOS 10.3 |
|
255 UTF-8 characters |
Unicode 9.0 encoded in UTF-8 |
? |
8 EB |
? |
263 |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
? |
? |
Partial |
Yes |
? |
? |
Yes |
Yes |
Yes |
No |
No |
No |
Yes |
macOS |
? |
? |
? |
? |
? |
Yes |
? |
? |
Yes |
? |
Yes |
Yes |
Yes |
No |
Partial (read-only with apfs-fuse or linux-apfs) |
Yes (Since macOS Sierra) |
No |
No |
No |
No |
No |
No |
No |
No |
No |
21 |
0 |
1 |
2 |
BlueStore/Cephfs |
Red Hat, University of California, Santa Cruz |
2017 |
Linux |
|
? |
any byte, except null, |
No limit defined |
Max. 264 bytes, 1TB by default |
Not limited |
Not limited, default is 100,000 files per directory |
Yes |
Yes |
Yes |
Yes |
? |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
No |
Yes |
No |
No |
Yes |
Yes |
Yes |
Yes |
Linux |
No |
Yes |
No |
Yes |
Yes |
Yes |
? |
? |
? |
? |
No |
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
26 |
1 |
2 |
3 |
Btrfs |
Oracle Corporation |
2007 |
Linux |
GPL |
255 bytes |
Any byte except '/' and NUL |
No limit defined |
16 EB |
16 EB |
264 |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
? |
? |
Yes |
No |
Yes |
Yes |
No |
Yes |
Yes |
Linux |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
? |
No |
Yes with WinBtrfs |
? |
No |
? |
? |
? |
? |
? |
33 |
1 |
3 |
4 |
exFAT |
Microsoft |
2006 |
Windows CE 6.0 |
proprietary |
255 UTF-16 characters |
? |
32,760 Unicode characters with each path component no more than 255 characters |
16 EB |
64 ZB (276 bytes) |
? |
No |
No |
Yes |
Yes |
No |
No |
No |
No |
No |
No |
No |
No |
No |
Partial (with TexFAT only) |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
No |
No |
misc. |
No |
No |
No |
No |
No |
No |
No |
No |
Partial (only if the file fits into one contiguous block range) |
No |
No |
No |
Yes (Linux) |
No |
Yes (since 5.4, available as a kernel module or FUSE driver for earlier versions) |
Yes |
No |
Yes (installable drivers for Windows XP, 2003. Included with Windows Vista SP1 and newer.) |
No |
Yes (available as a FUSE driver) |
No |
No |
No |
Yes (available as a FUSE driver) |
No |
4 |
1 |
4 |
5 |
ext2 |
Rémy Card |
1993 |
Linux, Hurd |
|
255 bytes |
Any byte except NUL, / |
No limit defined |
16 GB to 2 TB |
2 TB to 32 TB |
? |
Yes |
Yes |
No |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
Linux |
Yes |
No |
Yes |
No |
No |
Yes |
No |
No |
No |
No |
No |
No |
Yes |
No |
Yes |
Yes with Paragon ExtFS or ext2fsx |
Partial (read-only, with explore2fs) |
Yes with Paragon ExtFS or partial with Ext2 IFS or ext2fsd |
No |
Yes |
No |
Yes |
? |
? |
? |
19 |
3 |
5 |
6 |
ext3 |
Stephen Tweedie |
1999 |
Linux |
|
255 bytes |
Any byte except NUL, / |
No limit defined |
16 GB to 2 TB |
2 TB to 32 TB |
? |
Yes |
Yes |
No |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes (2001) |
Yes (2001) |
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
Linux |
Yes |
Yes |
Yes |
No |
No |
Yes |
No |
No |
No |
No |
No |
No |
Yes |
No |
Yes |
Yes with Paragon ExtFS or partial with ext2fsx (journal not updated on writing) |
Partial (read-only, with explore2fs) |
Yes with Paragon ExtFS or partial with Ext2 IFS or ext2fsd |
Partial (read only)[citation needed] |
Yes |
No |
with addon |
? |
Yes |
? |
20 |
3 |
6 |
7 |
ext4 |
various |
2006 |
Linux |
|
255 bytes |
Any byte except NUL, / |
No limit defined |
16 GB to 16 TB |
1 EB |
232 (static inode limit specified at creation) |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Partial |
Yes |
Yes |
Yes |
Yes |
Yes, optional |
Yes |
No |
Yes |
No |
Yes, experimental |
No |
No |
No |
No |
No |
Linux |
Yes |
Yes |
Yes |
No |
No |
Yes |
No |
No |
Yes |
No |
Yes |
No |
Yes |
No |
Yes |
Yes with Paragon ExtFS |
No |
Yes with Paragon ExtFS or partial with Ext2 IFS or ext2fsd |
? |
Yes since FreeBSD 12.0 |
No |
with addon |
? |
? |
? |
22 |
1 |
7 |
8 |
F2FS |
Samsung Electronics |
2012 |
Linux |
GPLv2 |
255 bytes |
Any byte except NUL, / |
No limit defined |
3.94 TB |
16 TB |
? |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
No |
Yes, experimental |
No |
No |
No |
No |
Yes |
Linux |
Yes |
No |
No |
No |
No |
Yes |
No |
No |
Partial |
No |
Yes |
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
20 |
1 |
8 |
9 |
FAT32, FAT32X |
Microsoft |
1996 |
MS-DOS 7.10 / Windows 95 OSR2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0 |
0 |
9 |
10 |
JFS |
IBM |
1999 |
OS/2 Warp Server for e-business |
|
255 bytes |
Any Unicode except NUL |
No limit defined |
4 PB |
32 PB |
? |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes (1990) |
Yes |
Yes |
No |
? |
? |
No |
? |
No |
No |
No |
only in JFS1 on AIX |
Linux |
Yes |
No |
No |
No |
No |
Yes |
Yes |
No |
Yes |
No |
No |
? |
Yes (Linux) |
No |
Yes |
? |
No |
No |
? |
No |
Yes |
? |
? |
? |
? |
19 |
2 |
10 |
11 |
Lustre |
Cluster File Systems |
2002 |
Linux |
|
255 bytes |
Any byte except NUL |
No limit defined |
16 EB on ZFS |
16 EB |
? |
Yes |
Yes |
No |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
Yes |
Yes |
No |
Linux |
? |
Yes |
No |
No |
Yes |
Yes |
No |
No |
Yes |
No |
Yes |
? |
? |
No |
Yes |
? |
No |
No |
? |
No |
? |
? |
? |
Yes |
? |
23 |
2 |
11 |
12 |
NOVA |
UC, San Diego |
2017 |
Linux |
|
255 bytes |
Any byte except NUL, / |
No limit defined |
16 EB |
16 EB |
? |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
No |
No |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
Yes |
No |
No |
No |
Linux |
No |
No |
No |
No |
No |
Yes |
No |
No |
Yes |
No |
No |
Yes |
? |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
18 |
1 |
12 |
13 |
NTFS |
Microsoft (Gary Kimura, Tom Miller) |
1993 |
Windows NT 3.1 |
proprietary |
255 characters |
In Win32 namespace: any UTF-16 code unit (case-insensitive) except /\:*"?<>| as well as NUL In POSIX namespace: any UTF-16 code unit (case-sensitive) except / as well as NUL |
32,767 Unicode characters with each path component (directory or filename) up to 255 characters long |
16TB Default (4KB Cluster Size), 2MB Cluster Size 8 PB |
16TB Default (4KB Cluster Size), 2MB Cluster Size 8 PB |
232 |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
No |
Yes (2000) |
Yes |
Yes |
Yes |
? |
No |
Yes |
Yes |
No |
No |
No |
Yes |
Windows |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Partial |
No |
Yes |
No |
No |
? |
Yes (NT 6.1+; Linux) |
Partial (with third-party drivers) |
Yes with the Paragon NTFS kernel driver or ntfs-3g |
Yes natively read only, write support with Paragon NTFS or ntfs-3g |
Yes (with 3rd-party drivers like Paragon NTFS for Win98, DiskInternals NTFS Reader) |
Yes |
No |
Yes with ntfs-3g |
? |
Yes with ntfs-3g |
No |
Yes with ntfs-3g |
? |
23 |
1 |
13 |
14 |
ReFS |
Microsoft |
2012 |
Windows Server 2012 |
proprietary |
255 UTF-16 characters |
In Win32 namespace: any UTF-16 code unit (case-insensitive) except /\:*"?<>| as well as NUL In POSIX namespace: any UTF-16 code unit (case-sensitive) except / as well as NUL |
32,767 Unicode characters with each path component (directory or filename) up to 255 characters long |
16 EB |
1 YB |
? |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
? |
Yes |
Yes |
Yes |
Yes |
? |
? |
Yes |
Yes |
? |
? |
? |
No |
Yes |
Yes |
No |
No |
No |
Windows |
? |
Yes |
? |
No |
No |
Yes |
? |
? |
? |
No |
? |
Yes |
Yes (NT 6.1+) |
No |
Partial - with Paragon ReFS for Linux |
? |
No |
Yes (from Windows Server 2012 and from Windows 8.1) |
? |
? |
? |
? |
? |
? |
? |
17 |
0 |
14 |
15 |
ReiserFS |
Namesys |
2001 |
Linux |
|
4,032 bytes/255 characters |
Any byte except NUL or '/' |
No limit defined |
8 TB (v3.6), 4 GB (v3.5) |
16 TB |
? |
Yes |
Yes |
No |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
? |
No |
No |
No |
No |
No |
No |
No |
Linux |
Yes |
Yes |
Yes |
No |
No |
Yes |
Yes |
Yes |
No |
No |
No |
? |
? |
No |
Yes |
? |
No |
No |
? |
Partial - Read Only from 6.0 to 10.x and dropped in 11.0 |
? |
with addon |
? |
? |
? |
20 |
1 |
15 |
16 |
SquashFS |
Phillip Lougher, Robert Lougher |
2002 |
Linux |
|
256 bytes |
? |
No limit defined |
16 EB |
16 EB |
? |
Yes |
Yes |
No |
No |
Yes |
No |
No |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
Yes |
Yes |
No |
No |
No |
No |
Yes |
Yes |
No |
No |
Yes |
Linux |
No |
No |
No |
No |
No |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
Yes |
Partial (There are ports of unsquashfs and mksquashfs.) |
No |
Partial (There are ports of unsquashfs and mksquashfs.) |
No |
Partial (There are ports of unsquashfs and mksquashfs and fusefs-port.) |
No |
No |
No |
No |
No |
15 |
1 |
16 |
17 |
UFS2 |
Kirk McKusick |
2002 |
FreeBSD 5.0 |
|
255 bytes |
Any byte except NUL |
No limit defined |
512 GB to 32 PB |
512 ZB (279 bytes) |
Subdirectory per directory is 32,767 |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Partial |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
No |
? |
Yes |
No |
No |
No |
No |
No |
No |
FreeBSD |
Yes |
Yes (FreeBSD 10.0-RELEASE or later) |
No |
No |
No |
Yes |
|
No |
No |
Yes |
No |
? |
Yes |
No |
Yes |
Yes |
No |
Partial (with ufs2tools, read only) |
? |
Yes |
No |
? |
? |
? |
? |
20 |
3 |
17 |
18 |
XFS |
SGI |
1994 |
IRIX |
|
255 bytes |
Any byte except NUL |
No limit defined |
8 EB |
8 EB |
? |
Yes |
Yes |
Partial |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
? |
No |
No |
Yes |
No |
No |
No |
No |
Linux |
No |
Yes |
No |
No |
No |
Yes |
No |
No |
Yes |
No |
Yes |
Yes, on request |
Yes (Linux) |
No |
Yes |
? |
No |
No |
? |
Partial |
? |
with addon (read only) |
? |
? |
? |
21 |
1 |
18 |
19 |
ZFS |
Sun Microsystems |
2004 |
Solaris |
CDDL |
255 bytes |
Any Unicode except NUL |
No limit defined |
16 EB |
256x2^50 ZB (2128 bytes) |
2128 |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
misc. |
No |
Yes |
No |
Partial |
Yes |
Yes |
Yes |
No |
No |
Yes |
Yes |
Yes |
Yes |
No |
Yes with FUSE or as an external kernel module |
Yes with Read/Write Developer Preview |
No |
Yes |
No |
Yes |
No |
No |
No |
Yes |
No |
33 |
3 |
19 |
20 |
zFS |
IBM |
2001 |
z/OS (backported to OS/390) |
|
255 bytes |
Any Unicode except NUL |
No limit defined |
16 EB |
256x2^50 ZB (2128 bytes) |
2128 |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
misc. |
No |
Yes |
No |
Partial |
Yes |
Yes |
Yes |
No |
No |
Yes |
Yes |
Yes |
Yes |
No |
Yes with FUSE or as an external kernel module |
Yes with Read/Write Developer Preview |
No |
Yes |
No |
Yes |
No |
No |
No |
Yes |
No |
33 |
3 |
20 |