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bgbranko 09-21-2006 01:16 PM

File system magic numbers

Can anyone please tell me where to find resources (technical if need be) on File system Magic Numbers and some info on how to decipher the MBR contents?

Brian1 09-21-2006 06:03 PM

This might be of help for MBR.
As far as the Magic Number I did a google search and found many links on it. Might check start there.


primo 09-22-2006 02:05 AM


The MBR uses partition magic numbers. Linux's fdisk(8) understands some of them. Filesystem magic numbers are a different thing.

bgbranko 09-22-2006 03:30 AM

Thanks, folks, for clearing things up.

Bah, I've googled around for days, but since I'm no geek, it is quite difficult to get to the right pages. :p

EDIT: Hmmm, I'm no geek? Since when does an average home user read papers on MBR? I've gotta further investigate my inner geekness. :)))


Brian1 09-22-2006 06:03 PM

For future linux googling use


bgbranko 09-23-2006 04:37 PM


Originally Posted by Brian1
For future linux googling use



Man, I've found some great stuff in the links mentioned in previous posts by primo and Brian1. Thanks a lot, guys!

Here's something for an odd passer-by's viewing pleasure:

1. The Minimal Partition Table Specification:
Great description of what's inside partition tables.

2. Partition Types:
The first section contains a formidable list of various partition types and coresponding "magic numbers".

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