GC - Filler Character for Group Headers

With this session parameter, you specify the filler character which will appear on either side of a group heading produced by a DISPLAY statement across all field columns that belong to that group. 

Possible settings any character Filler character for group headers.
Default setting blank  
Specification within session yes  
Applicable statements


Applicable command none  

Unlike the FC parameter, which applies to individual columns, the GC parameter applies to headings across a group of columns.