...at is required and must be surrounded by double quote (" ") marks. It is interpreted as a fprintf-style format string (see fprintf (3)), with the following exceptions: 1. An ast…...at is required and must be surrounded by double quote (" ") marks. It is interpreted as a fprintf-style format string (see fprintf (3)), with the following exceptions: 1. An ast…...ibit the default -print are -delete , -exec , -execdir , -ok , -okdir , -fls , -fprint , -fprintf , -ls , -print and -printf . The -delete action also acts like an option (since…