Chapter 6.
Hard Disk And File
Systems
92
Copyright © Acronis, Inc., 2000–2005
Restoration (logging)
No
No
Yes
Max. files in root
Set at formatting
Unlimited
Unlimited
Max. clusters/blocks
~2
16
~2
28
~2
48
Cluster/block size
512 Bytes – 64
KB
512 bytes – 64
KB
512 bytes – 64
KB
File record table/I-node
No
No
Dynamic
Table 2. Linux file systems.
File system
Ext2
Ext3
ReiserFS
Operating systems
Linux
Linux
Linux
Max. partition size
16 TB
16 TB
16 TB
Max. file size
Limited by partition
size
Limited by partition
size
Limited by partition
size
Max. file-name length
255 255 255
Restoration (logging)
No
Yes
Yes
Max. files in root
Unlimited
Unlimited
Unlimited
Max. clusters/blocks
~2
32
~2
32
~2
32
Cluster/block size
1–4 KB
1–4 KB
4 KB
File record table/I-node
Set at formatting
Set at formatting
Dynamic
In case you've forgotten your computer engineering units: 1 Kbyte = 1024 Bytes,
1 Mbyte = 1024 Kbytes, 1 Gbyte = 1024 Mbytes, 1 Tbyte = 2
10
Gbytes= 1024 Gbytes, 1
Pbyte = 2
10
Tbytes= 1024 Tbytes, 1 Ebyte = 2
10
Pbytes= 1024 Pbytes.
A.9.2 FAT16
The FAT16 file system is widely used by DOS (DR-DOS, MS-DOS, PC-DOS, etc.), Windows
95/98/Me, Windows NT/2000/XP operating systems and is supported by most other
systems.
