The Systems Journal article that Birger refers to is found here: http://www.research.ibm.com/journal/sj/133/ibmsj1303D.pdf
Bill Seubert System z Software Architect IBM Corporation [EMAIL PROTECTED] ---------------------------------------------------------------------- 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