On Sun, 22 Dec 2013 10:01:33 -0600, Andreas F. Geissbuehler wrote: >Straight from a slowly fading memory... >In the early '70 IBM released a new and improved CRJE called TSO, a TCAM >application program. I believe it was part of IBM's "worst-ever" release, >OS/MVT Release 19. TSO brought us Sub-Tasking and related macros ATTACH and >DETACH using a newly expanded control block called TCB mapped by IKJTCB among >many other IKJ's of TSO. ... > ATTACH/DETACH appeared contemporaneously with TSO!? I'm astonished! I'd have guessed they were much older, perhaps even aboriginal OS/360. Was there no multiprocessing mechanism older than TSO? RYO, I suppose. That's what I understand JES and CICS (others?) do.
-- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
