Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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<concept id="GUID-F3BD37EC-0CCB-5859-908F-215E22C9FC20" xml:lang="en"><title>File Server Extensions</title><shortdesc>The File Server component manages all files on a Symbian OS phone. This section describes how to extend the File Server for your phone hardware. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody><p id="GUID-143780ED-4A23-5E72-A923-F605172EC8B5"> The different storage media on a phone can use different types of file system to organise files. Symbian OS provides a number of types of file system. You can implement a new file system in a type of DLL called a file system plug-in. You can also implement DLLs called a file server extensions to change the behaviour of a file system. You can implement a DLL called a file server plug-in to extend the behaviour of the File Server itself. </p> <p>The File Server is started by the Base Starter component. The configuration of the File Server, such as which file systems are loaded to which drives, is done in the Base Starter configuration file. </p> </conbody><related-links><link href="GUID-80698E62-E310-59CA-A524-5CF44C437BE4.dita"><linktext>Base
Starter</linktext> </link> <link href="GUID-BB9760B4-4F3F-5326-81FB-B644C82F0E65.dita#GUID-BB9760B4-4F3F-5326-81FB-B644C82F0E65/GUID-320ADCFB-8449-541D-99A5-68F29A815559"><linktext>File Server</linktext> </link> <link href="GUID-198DCED1-F429-5C95-A51D-53AE416687E8.dita"><linktext>File Server Client Side</linktext> </link> <link href="GUID-6CF2F4EF-383F-5850-A522-F425A83AA89E.dita#GUID-6CF2F4EF-383F-5850-A522-F425A83AA89E/GUID-20E09BC9-35CA-594A-BA91-D8D0C928FD98"><linktext>File Systems</linktext> </link> <link href="GUID-5C223AD5-4676-58B4-B3A5-066F6B69AA4D.dita#GUID-5C223AD5-4676-58B4-B3A5-066F6B69AA4D/GUID-868866C8-E90C-5291-8732-BB4E86D6B43E"><linktext>Local Media Subsystem</linktext> </link> <link href="GUID-9540A82E-F83D-55F5-B441-868CF77468E9.dita#GUID-9540A82E-F83D-55F5-B441-868CF77468E9/GUID-CFED15B1-E768-534E-9043-7AADE45EE9AF"><linktext>Media Drivers</linktext> </link> <link scope="external" href="http://developer.symbian.com/wiki/display/ppg/Chapter+9+-+The+File+Server"><linktext>Symbian OS Internals book online at SDN++ (SDN++ login required):
Chapter 9 - The File Server</linktext> </link> <link scope="external" href="http://developer.symbian.com/wiki/display/ppg/Chapter+10+-+The+Loader"><linktext>Symbian OS Internals book online: Chapter 10 - The
Loader</linktext> </link> </related-links></concept>