Irregular Expressions » fat partition layout http://itknowledgeexchange.techtarget.com/Irregular-Expressions Insight into current security related events and exploits, including virtualization security and tips. Sun, 28 Apr 2013 08:00:32 +0000 en-US hourly 1 File systems – PC Partitions http://itknowledgeexchange.techtarget.com/Irregular-Expressions/file-systems-pc-partitions/ http://itknowledgeexchange.techtarget.com/Irregular-Expressions/file-systems-pc-partitions/#comments Wed, 17 Aug 2011 04:07:04 +0000 Dan O'Connor http://itknowledgeexchange.techtarget.com/Irregular-Expressions/?p=620 I have been doing a lot of work in the last few weeks dealing just with file systems, how they are structured and how they work.

Ext3 like NTFS and FAT uses DOS partitions.  Basically there is a maximum of 4 partitions, going beyond that you need extended partitions.  Each of those may only have 1 file system and 1 extended partition.

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This should give the general idea, we have a EXT or UFS file system. It has a total of 5 partitions, /boot, /home, /usr, /var and /srv. Just one partition over the 4 has created a total of 3 partition tables. With only 4 partitions we would have only 1 partition table. This would also be applicable for NTFS or FAT file systems.

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