z/VM Service Environment Variable List

Last Updated: 2 June 2025

The table below contains a listing of variables and associated data used for indicating service information for a z/VM system. Mouse over the table headers for descriptions on the columns. The data can be sorted by clicking on the table headers, and data in the table can be filtered by using the text input field on the right.

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A list of z/VM service variables and details
Environment variable name	Value	Description	Release	Component and Level
ZVM.SERVICE.APAR.component	ppnnnnn	APAR number that maps to the highest-level PTF applied to a subject component; pp is the APAR prefix and nnnnn is a numeric string.	7.4	VMSES 0100
ZVM.SERVICE.LEVEL.component	ffxx	The currently applied feature pack and fix pack level identifier for the component; ff is the feature pack number and xx is the fix pack number. If no specific level exists for the component, the value 0000 is supplied.	7.4	VMSES 0100
ZVM.SERVICE.VERSION.component	v.r.ff.xx	The semantic version identifier for the component; v is the version, r is the release, ff is the feature pack number, and xx is the fix pack number. If no specific level exists for the component, the value v.r.00.00 is supplied	7.4	VMSES 0100
ZVM.SERVICE.VERSION.COMPONENTS	component list	The set of z/VM base components installed on the z/VM system. For example: ZVM.SERVICE.COMPONENTS AVS CMS CP DIRM DV GCS ICKDSF LE PERFTK RACF REXX RSCS TCPIP TSAF VMSES	7.4	VMSES 0100

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