In article <[email protected]> Gil wrote:
> 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. No JES then; HASP might have been available, but it mostly worked by emulating devices and hooking into standard exits (IEFUJV, IEFUJI) to massage the JCL to point to its (pseudo-) devices. -- Randy Hudson ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
