You can open an existing or new DTM library from which
  to reference and control information by one of the
  following methods:

  o  Choose an existing DTM library.

  o  Create a DTM library, which then becomes the
     referenced library.

1  –  create_lib

  To create a new DTM library, you must first create an
  empty OpenVMS directory for the library, then perform
  the following steps:

  1. Pull down the Library menu.

  2. Choose the Create... menu item.

  The Create Library dialog box enables you to specify
  all the attributes for the new library. The created
  library automatically becomes the current DTM library.

2  –  choose_lib

  To open the current DTM library, perform the following
  steps:

  1. Pull down the Library menu.

  2. Choose the Open... menu item.

  The Open Library dialog box contains a field for
  entering the DTM library name.