<snip> >[EMAIL PROTECTED] (Clem Clarke) writes: > > >>In PCP, MFT and MVT, SVC 99 didn't even exist! Nor TSO. >> >> > > > Yep. TSO was, as I recall, *added* to MVT somewhere along the line.
And SVC 99 was not used, again, as I recall. That came with MVS or maybe VS2? </snip> AFAIK, TSO was always a "gennable" option of MVT. Certainly as of MVT Rel 18 (circa 1972) and probably much earlier. ---------------------------------------------------------------------- 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