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+@c
+@c  COPYRIGHT (c) 1988-1998.
+@c  On-Line Applications Research Corporation (OAR).
+@c  All rights reserved.
+@c
+@c  $Id$
+@c
+
+@chapter File System Lifecycle
+
+This chapter describes some of the dynamic behavior of file system control
+structures
+
+@section Mount table chain
+
+The mount table chain is a dynamic list of structures that describe
+mounted file systems a specific points in the file system hierarchy. It is
+initialized to an empty state during the base file system initialization.
+The mount operation will add entries to the mount table chain. The
+un-mount operation will remove entries from the mount table chain.
+
+@section Memory associated with the In Memory File System
+
+A memory based file system draws its resources for files and directories
+from the memory resources of the system. When it is time to un-mount the
+file system, the memory resources that supported file system are set free.
+In order to free these resources, a recursive walk of the file systems
+tree structure will be performed. As the leaf nodes under the file system
+are encountered their resources are freed. When directories are made empty
+by this process, their resources are freed.
+
+@section File descriptor table entries and file control blocks
+
+The file: XXX
+