LINKAGE TYPE Clause - Format 1 LINKAGE (1) 2? TYPE 3? IS 4 environment-name-3 4 PROGRAM 4 PROCEDURE 5 FOR 6+ 6 literal-7 6.1? USING 6.1.1 %linkage-arguments linkage-arguments 1+ 1.0 ALL 1.0+ 1.0 integer-1 1.0.1? 1.0.1.0 THRU 1.0.1.0 THROUGH 1.0.1.1 integer-2 1.1? 1.1 IS 1.1 ARE 1.2 DESCRIBED