(ddd.info)Resources

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3.6.1.1 Resources
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Just like any X program, DDD has a number of places to get resource
values from.  For DDD, the most important places to specify resources
are:

   * The `~/.ddd/init' file (`~' stands for your home directory).  This
     file is read in by DDD upon start-up; the resources specified
     herein override all other sources (except for resources given
     implicitly by command-line options).

     If the environment variable `DDD_STATE' is set, its value is used
     instead of `~/.ddd/'.

   * The `Ddd' application-defaults file.  This file is typically
     compiled into the DDD executable.  If it exists, its resource
     values override the values compiled into DDD.  If the versions of
     the `Ddd' application-defaults file and the DDD executable do not
     match, DDD may not function properly; DDD will give you a warning
     in this case.(1)

   * The command-line options.  These options override all other
     resource settings.

   * If the environment variable `DDD_SESSION' is set, it indicates the
     name of a session to start, overriding all options and resources.
     This is used by DDD when restarting itself.

   Not every resource has a matching command-line option.  Each resource
(whether in `~/.ddd/init' or `Ddd') is specified using a line

     Ddd*RESOURCE: VALUE

   For instance, to set the `pollChildStatus' resource to `off', you
would specify in `~/.ddd/init':

     Ddd*pollChildStatus: off

   For more details on the syntax of resource specifications, see the
section `RESOURCES' in the `X(1)' manual page.

   ---------- Footnotes ----------

   (1) If you use a `Ddd' application-defaults file, you will not be
able to maintain multiple DDD versions at the same time.  This is why
the suiting `Ddd' is normally compiled into the DDD executable.