erstdefault

Erstdefault is a term used in software configuration and documentation to describe the initial default setting applied by a program on first run or installation, before any user customization. It represents the value that the system uses as a starting point for configuration, typically stored in a configuration file, registry, or embedded in the application.

The term appears to be a coined compound of erst, meaning first or initial, and default, highlighting its role as the baseline value chosen by the software rather than by the user. While not universally standardized, erstdefault is used in some technical writings to distinguish the earliest or factory default from subsequent user-modified settings and from defaults that emerge after updates or resets.

In practice, erstdefault values vary by platform and application. Common examples include the default language, user interface theme, file paths, data retention periods, and security-related defaults. Some systems allow these values to be changed during installation, while others require explicit user action to alter them. Over time, an erstdefault may be updated through software updates, configuration profiles, or reset-to-default operations, but it remains the baseline reference point for initial behavior.

Management and documentation of erstdefault are important for usability and security. Clear labeling of what constitutes the erstdefault and straightforward methods to override it help users tailor software to their needs without confusion. Poorly documented or unexposed erstdefault values can lead to unexpected behavior or security gaps.

See also: default value, initial value, first-run configuration, onboarding.