If testing the "feature bits" in CVTOSLVx does not work for some reason, 
then I refer you to field ECVTPSEQ.

ECVTPSEQ DC    F'0'                Product sequence number. 
*                       This field will be changed when any new 
*                       version, release, or modification level is 
*                       provided. It can be used to determine if 
*                       the operating system is at a suitable level for 
*                       a desired function. Its value will always 
*                       increase from one release/mod level to the 
*                       next. 

Subsequent comments show the value in this field for each release.

You should never rely on the product "FMID" (e.g., HBBxxxx or JBBxxxx for 
the MVS element of z/OS).

Peter Relson
z/OS Core Technology Design


----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO IBM-MAIN

Reply via email to