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<concept id="GUID-8B37D53D-77E1-58C6-9A44-3376A450228B" xml:lang="en"><title>Shared Memory Tutorial</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>Shared memory is a method of interprocess communication (IPC) where a single chunk of memory is shared between two or more processes. You can use shared memory APIs to set permissions on memory and to pass data between programs efficiently. </p> <p>The following topics describe how you can use shared memory APIs when you develop POSIX compliant applications or port POSIX-based applications to Symbian platform. </p> </conbody></concept>