samba-mirror/docs-xml/smbdotconf/filename/manglednames.xml

<samba:parameter name="mangled names"
				 type="boolean"
                 context="S"
                 xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
<description>
	<para>This controls whether non-DOS names under UNIX 
	should be mapped to DOS-compatible names (&quot;mangled&quot;) and made visible, 
	or whether non-DOS names should simply be ignored.</para>

	<para>See the section on <smbconfoption name="name mangling"/> for 
	details on how to control the mangling process.</para>

	<para>If mangling is used then the mangling method is as follows:</para>

	<itemizedlist>
		<listitem>
			<para>The first (up to) five alphanumeric characters 
			before the rightmost dot of the filename are preserved, forced 
			to upper case, and appear as the first (up to) five characters 
			of the mangled name.</para>
		</listitem>
		
		<listitem>
			<para>A tilde &quot;~&quot; is appended to the first part of the mangled
			name, followed by a two-character unique sequence, based on the
			original root name (i.e., the original filename minus its final
			extension). The final extension is included in the hash calculation
			only if it contains any upper case characters or is longer than three
			characters.</para>

			<para>Note that the character to use may be specified using 
				the <smbconfoption name="mangling char"/>
			option, if you don't like '~'.</para>
		</listitem>

		<listitem>
			<para>Files whose UNIX name begins with a dot will be 
			presented as DOS hidden files. The mangled name will be created as 
			for other filenames, but with the leading dot removed and &quot;___&quot; as 
			its extension regardless of actual original extension (that's three 
			underscores).</para>
		</listitem>
	</itemizedlist>

	<para>The two-digit hash value consists of upper case alphanumeric characters.</para>

	<para>This algorithm can cause name collisions only if files 
	in a directory share the same first five alphanumeric characters. 
	The probability of such a clash is 1/1300.</para>

	<para>The name mangling (if enabled) allows a file to be 
	copied between UNIX directories from Windows/DOS while retaining 
	the long UNIX filename. UNIX files can be renamed to a new extension 
	from Windows/DOS and will retain the same basename. Mangled names 
	do not change between sessions.</para>
</description>
<value type="default">yes</value>
</samba:parameter>