FAT32 support total number of files in a directory?

Posted on 2004-09-27
Medium Priority
Last Modified: 2008-01-09

What is a maximum number of files can contain in a directory (no subdirectories just files). If it is depends on a filename size, Please specify by 16, 32, 64, 128 filename size.
Question by:raza
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Expert Comment

ID: 12165621
From resource kits:

A FAT32 volume must have a minimum of 65,527 clusters. Windows XP Professional can format FAT32 volumes up to 32 GB, but it can mount larger FAT32 volumes created by other operating systems.

Description                        Limit
Maximum file size             4 GB minus 1 byte (232 bytes minus 1 byte)
Maximum volume size       32 GB (implementation)
Files per volume               4,177,920

Maximum number of files and subfolders within a single folder 65,534 (The use of long file names can significantly reduce the number of available files and subfolders within a folder.

Some more info @ http://tools.supportforyourpc.com/get_article.asp?aid=1035
(the Fat-32 file system has a maximum accessible limit of 2.2 terabytes)

Author Comment

ID: 12165680

Thank you for your quick responds.

>>>Maximum number of files and subfolders within a single folder 65,534 (The use of long file >>>names can significantly reduce the number of available files and subfolders within a folder.

I already know this information. The last part of your answer is my question. How many files can I have in a directory?. Lets say if I have 128 charecters filename files, How many files can I have in one directory?

Accepted Solution

D0uble_A earned 200 total points
ID: 12165835
Ok i found out that using long file names reduces the limit of files to 16,383 (2^14).

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