Hard Disk And File Systems
116
Copyright © Acronis, Inc., 2000–2007
Table 1. Windows file systems.
File system
FAT16
FAT32
NTFS
Windows
NT/2000/XP, Linux
(for reading)
Operating systems
Almost all
Windows
95OSR2/98/Me,
2000/XP, Linux
Max. partition size
4 GB (2 GB
for
Windows
95OSR2/98/Me)
2 TB
16 EB
Max. file size
Limited by
partition size
4 GB
Limited by
partition size
Max. file-name length
255 255 32767
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.
