You have also missed some small relatively insignificant OS's. TPS (Tape Programming System) DPS (Disk Programming System) BPS (Basic Programming System although it might have been CPS for Card )
These all run on the System360/20 machines. Ken ---------------------------------------------------------------------- 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
