!!! Overview
[{$pagename}] defines the [mutability] of the [AttributeType] and implies the data is not to be modified by users. ([ReadOnly])

Often, depending on the [LDAP Server Implementation] it may also be considered to be an [Operational Attribute] whose values are controlled by the [DSA].

[{$pagename}] requires an [Operational Attribute] according to [RFC 4512][1] which implies the values are controlled by the [DSA].

In [EDirectory] schema files this is the same as the [DS_READ_ONLY_ATTR]

[Microsoft Active Directory] uses [SystemOnly] 

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
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* [#1] - [http://www.rfc-editor.org/rfc/rfc4512.txt|http://www.rfc-editor.org/rfc/rfc4512.txt|target='_blank'] - based on 2013-04-10