I don't know about AVGREC, but AVBLOCK on TSO ALLOCATE (and the underlying DYNALLOC) is very old - maybe early 1980s? It is there because there was previously no DYNALLOC equivalent of the JCL allocation by blocks without also setting the DCB BLKSIZE value.
Tony H. > Hello: Does anyone know when (as in year/mvs level/dfp level) > that AVGREC space allocations and AVGBLK allocations became available? ---------------------------------------------------------------------- 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
