HP 3000 Manuals

Introduction to MPE XL for MPE V Programmers Migration Guide

SYSCAT.PUB.SYS 
(new) 

SYSCAT.PUB.SYS contains the Native Mode system error message under MPE
XL; CATALOG.PUB.SYS contains CM error messages.  You may access these
messages, but they are primarily for system use.  Access CATALOG.PUB.SYS
with the GENMESSAGE intrinsic and SYSCAT.PUB.SYS with the catalog
intrinsics CATOPEN, CATREAD, and CATCLOSE. CATALOG.PUB.SYS is formatted
with the MAKECAT utility; SYSCAT.PUB.SYS is formatted with the GENCAT
utility.

MPE/iX 5.0 Documentation