# zOS

LLMS index: [llms.txt](/llms.txt)

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## z/OS attributes

This document defines attributes of a z/OS resource.

**Attributes:**

| Key | Stability | Value Type | Description | Example Values |
| --- | --- | --- | --- | --- |
| <a id="zos-smf-id" href="#zos-smf-id">`zos.smf.id`</a> | ![Development](https://img.shields.io/badge/-development-blue) | string | The System Management Facility (SMF) Identifier uniquely identified a z/OS system within a SYSPLEX or mainframe environment and is used for system and performance analysis. | `SYS1` |
| <a id="zos-sysplex-name" href="#zos-sysplex-name">`zos.sysplex.name`</a> | ![Development](https://img.shields.io/badge/-development-blue) | string | The name of the SYSPLEX to which the z/OS system belongs too. | `SYSPLEX1` |