To use a larger size font (in the help dialogs) of a personal application named DtStopWatch, perform these steps:
Change to your home directory:
Then copy the DtStopWatch application-defaults file and make it writable:
cp /usr/dt/app-defaults/C/DtStopWatch . chmod u+w DtStopWatch
Edit the DtStopWatch file to add the largest scheme (fontLarge.fns). Go to the end of the file, and insert the contents of this file:
Save your new DtStopWatch file.
Start the DtStopWatch application, select Help, and verify that help topics are displayed using the new font scheme.