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Managing filesystem types

The ufs cylinder group map

Another feature of ufs is the ``cylinder group map.'' This is a block of data found in each cylinder group that records the block usage within the cylinder. This information is kept directly following the superblock copy for that cylinder group.

To give an idea of the appearance of a typical ufs filesystem, the following diagram shows a series of cylinder groups in a generic ufs filesystem:

The ufs filesystem


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UnixWare 7 Release 7.1.4 - 22 April 2004