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+#
+# $Id$
+#
+
+This is a list of cases to consider when implementing a file system:
+
+
++ Given a tree of this form:
+
+ a ----- b
+ /
+ c
+
+ Where a and b are directories and c is a link to directory b. Consider
+ this sequence:
+
+ - rmdir a/b
+ - mknod c/b/x
+ - unlink c
+
+
+
+