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Determining installed product versions?

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The Question is:

I am currently writing some dcl to be propagated to
all our vms nodes. The vms ranges from vms 5.5 to 6.2-1h3.
Both platforms are supported.  The code is to go out and
query various products on the system as to what version they are.
Do you know how to tell from the command line versions of the various
all in one
message router

The Answer is :

  There is unfortunately no consistent nor single way to make this
  determination -- this is one of the reasons that a move to PCSI
  installations is underway.
  On OpenVMS Alpha, you can use VMSINSTAL.HISTORY and PRODUCT SHOW
  PRODUCT.  There is no equivalent on OpenVMS VAX, though there have
  been discussions of adding VMSINSTAL.HISTORY in an OpenVMS VAX
  release after V7.2.  (This would not help determine what has
  already been installed, however.)
  On most packages, you can generally use ANALYZE/IMAGE on one of the
  core images, looking at the image identification area.  Some of the
  product-specific mechanisms available are:
    DQS   DQS$VERSION logical name
    C     CC/VERSION

answer written or last revised on ( 10-MAY-2000 )

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