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<concept id="GUID-5072BE46-B1B4-5C3A-BF55-BEA7443E7657" xml:lang="en"><title>Generic OS

Services Guide</title><prolog><metadata><keywords/></metadata></prolog><conbody>

<p>Generic OS Services is a collection of components and libraries that provide

generic OS level services to Symbian platform components and applications.

The generic OS level services include a plug-in framework (ECom) for defining

and using plug-ins, a P.I.P.S. environment for porting POSIX-based applications,

and a Zip Compression Library for stream and file compression, and decompression. </p>

<p>Generic OS Services also includes generic services for task scheduling,

creating backup and restore software, handling Uniform Resource Identifiers

(URIs), a MIME Recogniser Framework for recognising data types and a set of

application utilities. </p>

<p><b>Notes:</b><ul>

<li><p>Symbian platform supports ported versions of C++ Standard Library (<xref href="http://www.stlport.org/" scope="external">STLport</xref> v4) and Standard

C++ Library (STLport v5). It is recommended that you use <xref href="GUID-2C5B58F2-6BD2-5C2B-8E1B-CFB3D7EB6ED9.dita">Standard

C++ Library (STLport v5)</xref> to take advantage of it's latest features.</p></li>

<li><p>For more information about Open C API reference and examples, see <xref href="http://library.forum.nokia.com/topic/S60_5th_Edition_Cpp_Developers_Library/GUID-FE27AB35-C6FD-4F11-802D-0D5FCFFC2976/html/main.html" scope="external">Forum Nokia Library</xref>.</p></li>

<li><p>For more information about Open C++ (C++ Standard Library - STLport

v4) API reference and examples, see <xref href="http://library.forum.nokia.com/topic/S60_5th_Edition_Cpp_Developers_Library/GUID-02F20077-73B5-4A63-85DB-D909E0ADE01C/html/main.html" scope="external">Forum Nokia Library</xref>.</p></li>

</ul></p>

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</conbody></concept>