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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| 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 |
Data type indicates that the variable is associated with support level. A variable value of one indicates the initial support. Each successive value represents an additional enhancement in the area described by the variable.
Data type indicates that the variable is associated with sample interval level. A variable value of one indicates the initial support of a one second minimum.