PROC PRINTTO routes procedure output from the subsequent PROC REPORT to the SAS catalog entry LIB1.CAT1.INVENTRY.OUTPUT. LABEL= assigns a description for the catalog entry. See Procedure Output Routed to SAS Catalog Entry LIB1.CAT1.INVENTRY.OUTPUT. . 
proc printto print=lib1.cat1.inventry.output
             label='Inventory program' new;
run;

proc report data=lib1.inventry nowindows headskip;
   column dept item season year;
   title 'Current Inventory Listing';
run;