### Service Programs Utility Service Programs. This is probably the first code you want to explore before going on to the interactive programs. * SRV_MSG Contains procedures to send messages from an RPG program. * CRTBNDDIR A CLLE program to create UTIL_BND, a binding directory for easy compiling of program that use SRV_MSG. * SRV_MSGTR RPG program to test the procedures in SRV_MSG. * SRV_MSGTD Display file used by SRV_MSGTR.