2.2.5-2 Defaults for Command Entry

Appropriate and readily modified default parameters should be displayed in forms used for composing complex command entries.

Additional Information:
Default parameters permit users to compose potentially complicated entries by relatively simple actions. If defaults have been defined, they should be indicated to users. A displayed form permits a user to review (and confirm or change) default values, just as a user might review displayed defaults for data entry. When only a few parameters are involved, it may be feasible simply to prompt users with guidance messages rather than by displaying a form.