>The left side of the picture does indeed say OS/VS2 Debugging Handbook >Volume 1. Yes, I still have my copy of MVS/System Product V2.2.0 - LC28-1164-5 which was given out as part of the materials for the MVS diagnostic dumps and procedures course in 1990. It has the diagrams you talk about in chapter 6 - Control Block Chains.
Regards, George Kozakos z/OS Function Test/Level 3 Supervisor ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html