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+<samba:parameter name="map read only"
+ context="S"
+ type="enum"
+ xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
+<description>
+ <para>
+ This controls how the DOS read only attribute should be mapped from a UNIX filesystem.
+ </para>
+
+ <para>
+ This parameter can take three different values, which tell <citerefentry><refentrytitle>smbd</refentrytitle>
+ <manvolnum>8</manvolnum></citerefentry> how to display the read only attribute on files, where either
+ <smbconfoption name="store dos attributes"/> is set to <constant>No</constant>, or no extended attribute is
+ present. If <smbconfoption name="store dos attributes"/> is set to <constant>yes</constant> then this
+ parameter is <emphasis>ignored</emphasis>. This is a new parameter introduced in Samba version 3.0.21.
+ </para>
+
+ <para>The three settings are :</para>
+
+ <itemizedlist>
+ <listitem><para>
+ <constant>Yes</constant> - The read only DOS attribute is mapped to the inverse of the user
+ or owner write bit in the unix permission mode set. If the owner write bit is not set, the
+ read only attribute is reported as being set on the file.
+ </para></listitem>
+
+ <listitem><para>
+ <constant>Permissions</constant> - The read only DOS attribute is mapped to the effective permissions of
+ the connecting user, as evaluated by <citerefentry><refentrytitle>smbd</refentrytitle>
+ <manvolnum>8</manvolnum></citerefentry> by reading the unix permissions and POSIX ACL (if present).
+ If the connecting user does not have permission to modify the file, the read only attribute
+ is reported as being set on the file.
+ </para></listitem>
+
+ <listitem><para>
+ <constant>No</constant> - The read only DOS attribute is unaffected by permissions, and can only be set by
+ the <smbconfoption name="store dos attributes"/> method. This may be useful for exporting mounted CDs.
+ </para></listitem>
+ </itemizedlist>
+
+</description>
+<value type="default">yes</value>
+</samba:parameter>