-the FileHeader data structure, once created, never changes. In UNIX
-and most other file systems, a file is initially created with size 0
-and is then expanded every time a write is made off the end of the
-file. Modify the file system to allow this. As one test case, allow
-the root directory file to expand beyond its current limit of ten
-files. Make sure that concurrent accesses to the file header remain
-properly synchronized.
+the inode data structure, once created, never changes. In UNIX and
+most other file systems, a file is initially created with size 0 and
+is then expanded every time a write is made off the end of the file.
+Modify the file system to allow this. As one test case, allow the
+root directory file to expand beyond its current limit of ten files.
+Make sure that concurrent accesses to the inode remain properly
+synchronized.