Joined: 14 Jul 2008 Posts: 1249 Location: Richfield, MN, USA
ICEMAN is an alias of DFSORT (IBM sort product). ILBOABN0 is an IBM-supplied subprogram to cause your program to abend. It was intended for use with a COBOL II program and Enterprise COBOL uses one named CEE... something. The others look like site-dependent utilities. You could ask a coworker or try GOOGLE.