Try this https://www.cbttape.org/uclamail/uclamail.htm
Lionel B. Dyck <sdg >< Website: GitHub.com/lbdyck Sent from my iPhone 15 Pro Worry more about your character than your reputation. Character is what you are, reputation merely what others think you are." - John Wooden > On Jul 10, 2025, at 7:23 PM, Mark S Waterbury > <[email protected]> wrote: > > Does anyone recall any details about "EXCHANGE" -- software originally > developed by UCLA for OS/360 MVT, and later ported to MVS. > > This allowed message passing between regions or address spaces, using a > concept where one job would put a message up on a "shelf" (in CSE in MVS), > and the target job could periodically check that (named) "shelf" for any > messages. > > It was loosely based on the idea of EXCP, with an EXCH macro for assembler > users, and also had a PL/1 CALL level interface (what today we call an "API".) > > I can barely find any mention of "The EXCHANGE" from ULCA on the interweb. > > Does anyone recall if this software was ever made available on any of the > SHARE tapes, e.g. for the OS/360 MVT or MVS projects, etc.? Or elsewhere? > > Thanks in advance. > > All the best, > > Mark S. Waterbury > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
