configswitch

noun
UK /ˈkɒnfɪɡswɪtʃ/
US /ˈkɑːnfɪɡswɪtʃ/

A configswitch is a little button or setting that changes how a computer program works.

Flip the configswitch to turn on dark mode in the app.


OTHER MEANINGS

2. A command-line tool that switches between different configuration profiles.

Run the configswitch script to load the test settings.

3. A hardware jumper or dial used to select a device's operating mode.

Set the configswitch on the board to choose the boot mode.

4. A feature toggle in software that turns a function on or off without new code.

The team used a configswitch to hide the new menu until launch.