>I think the SMFID is older than SYSNAME. I think SYSNAME dates from the late >80s or 90s, whereas SMFID was in the early versions of MVS.
System symbols are only 30 years old, but system name (via CVTSNAME) has existed since at least MVS/SP1.3 (no later than 1977). SMF ID (SMCASID) appears to predate even that. It remains the case that, of the three items in the subject, only &SYSNAME is defined as a system symbol by z/OS. Peter Relson z/OS Core Technology Design ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
