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  Displaying an Alternate Bookshelf Instead of the Default
  (Tru64 UNIX)

  There are two ways to display an alternate bookshelf instead
  of the default display:

  *   Change the definition of the "Bookreader" item in the
      Applications menu to open an alternate bookshelf.

      For example, if your alternate bookshelf is in   /my-
      books/library.decw_bookshelf  , change the Bookreader
      definition to be the following:

      /usr/bin/X11/dxbook  /mybooks/library.decw_bookshelf

  *   Define an environment variable to point to the directory
      that contains the alternate bookshelf.

  The following steps show how to define the environment
  variable in the C shell:

  1.   Enter the following command to determine if the envi-
      ronment variable DECW_BOOK points to the directory
      that contains the alternate bookshelf file:

      %  echo  $DECW_BOOK

  2.   If DECW_BOOK points to the directory that contains the
      alternate bookshelf file, define the environment variable
      DECW_BOOKSHELF to be the alternate bookshelf file.

      For example:

      %  setenv  DECW_BOOKSHELF  new_books.decw_bookshelf
      If DECW_BOOK does not point to the directory that con-
      tains the alternate bookshelf file, use the complete file
      specification in the definition.  For example:

      %  setenv  DECW_BOOKSHELF  "/usr/me/new_books.decw_bookshelf"

      Note that if you define DECW_BOOKSHELF to be the
      file name only, without the complete file specification,
      Bookreader searches the directories defined by DECW_
      BOOK for a file with that name.  If another bookshelf file
      with the same name exists in decw_book's search list,
      that bookshelf is also displayed.

  3.   Start Bookreader from the command line:

      %  dxbook
      The bookshelves and books listed in the alternate bookshelf
      file are displayed in the Library window.

  You can use DECW_BOOKSHELF to access any single book-
  shelf or any set of bookshelf files with the same name that
  appears in DECW_BOOK's search list.

  If you created your own   library.decw_bookshelf   file in order
  to add your bookshelf to the default display        , you can
  use another method to view only your local bookshelf.  You
  can redefine DECW_BOOK on a temporary basis to be your
  local directory.  For example:

  %  setenv  DECW_BOOK  /usr/mydir

  This definition exists for the duration of the current process
  only.  You can reinvoke the usual definition by logging out of
  the process and in again or by re-executing the command in
  your login file that defines DECW_BOOK.

  Additional topics:

  *   Adding a Bookshelf to the Default Display (Tru64
      UNIX)

  *   Modifying the Library Window Display (Tru64
      UNIX)

  *   Creating Your Own Bookshelf File (Tru64 UNIX)

  *   Bookreader Help Topics
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