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Hard Disk And File Systems

Operating systems

Almost all

Windows 95OSR2/98/Me, 2000/XP, Linux

Windows NT/2000/XP, Linux (for reading)

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

~216

~228

~248

Cluster/block size

512 Bytes – 64 KB

512 bytes – 64 KB

512 bytes – 64 KB

File record table/I-node

No

No

Dynamic

NTFS

FAT32

Table 1. Windows file systems.

File system

FAT16

Operating systems

Linux

Linux

Linux

Max. partition size

16 TB

16 TB

16 TB

ReiserFS

Max. file size

Max. file-name length

Ext3

Limited by partition size

255

Table 2. Linux file systems.

File system

Ext2

Limited by partition Limited by partition

size

size

255

255

Restoration (logging)

No

Yes

Yes

Max. files in root

Unlimited

Unlimited

Unlimited

Max. clusters/blocks

~232

~232

~232

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 = 210 Gbytes= 1024 Gbytes, 1 Pbyte = 210 Tbytes= 1024 Tbytes, 1 Ebyte = 210 Pbytes= 1024 Pbytes.

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