The Settings pull-down menu items are used to specify and/or
    modify the definitions and settings that define a particular
    context. The Settings menu is disabled until a context has
    been selected.

    The Settings pull-down menu items include

    o  CMS Library... - a directory search list to specify a CMS
       library.

    o  Default Directory... - to specify a default directory
       associated with the current context.

    o  DTM Library... - to specify a directory as the DTM library.

    o  Logical Names... - to specify logical name definitions that
       are specific to the current context.

    o  MMS Options... - to specify the following MMS build command
       options

       -  Linker Object Libraries... - a directory search list to
          specify the object library to be included as input to the
          linking operation.

       -  Linker Options... - a directory search list to specify
          user-written options files to be included in the LINK
          command in the MMS description file.

       -  Input/Output... - to set the input and output qualifiers
          that could go on the MMS command line.

       -  Definition/Directive... - to specify definitions and
          directives for the MMS build command.

       -  MMS Macros... - to direct MMS to add to or to override the
          macro definitions in the MMS description file.

       -  Generate Options... - to set qualifiers for MMS to add to
          the creation of the MMS description file.

       -  Object Library... - to specify into which library the
          object files from the compilations are to be inserted.

    o  SCA Library... - a directory search list to specify an SCA
       library.

    o  Source Directory... - a directory search list to specify a
       directory from which source files will be retrieved.

    o  Symbols... - to add DCL symbol definitions to the specified
       context.