TRUNCATED formatting option: each line of the displayed output is truncated exactly at the length specified by the LINESIZE variable.
SQL> SQL> SET SERVEROUTPUT ON FORMAT TRUNCATED SQL> SET LINESIZE 20 SQL> BEGIN 2 DBMS_OUTPUT.PUT_LINE('After the first 20 characters please'); 3 DBMS_OUTPUT.PUT_LINE('continue on the second line'); 4 END; 5 / After the first 20 c continue on the seco PL/SQL procedure successfully completed. SQL>