
<!-- to next --> | <A HREF="GCN_2.htm"><IMG SRC="../../docImages/next.gif" BORDER="0" ALT="Next: ">2 The Mechanics of GCN</A> 
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General Change Notification allows you to keep track of both system and application events. Objects or processes interested in a particular change may request the GCN mechanism to notify them when that change occurs. That change may be system-wide (such as a file system change) or application-specific 