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# OS

## OS Attributes

The operating system (OS) on which the process represented by this resource is running.

| Attribute        | Type   | Description                                                                                                                  | Examples                                                           | Stability                                                        |
| ---------------- | ------ | ---------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------ | ---------------------------------------------------------------- |
| `os.build_id`    | string | Unique identifier for a particular build or compilation of the operating system.                                             | `TQ3C.230805.001.B2`; `20E247`; `22621`                            | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `os.description` | string | Human readable (not intended to be parsed) OS version information, like e.g. reported by `ver` or `lsb_release -a` commands. | `Microsoft Windows [Version 10.0.18363.778]`; `Ubuntu 18.04.1 LTS` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `os.name`        | string | Human readable operating system name.                                                                                        | `iOS`; `Android`; `Ubuntu`                                         | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `os.type`        | string | The operating system type.                                                                                                   | `windows`; `linux`; `darwin`                                       | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `os.version`     | string | The version string of the operating system as defined in [Version Attributes](/docs/resource/README.md#version-attributes).  | `14.2.1`; `18.04.1`                                                | ![Experimental](https://img.shields.io/badge/-experimental-blue) |

`os.type` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.

| Value          | Description                          | Stability                                                        |
| -------------- | ------------------------------------ | ---------------------------------------------------------------- |
| `aix`          | AIX (Advanced Interactive eXecutive) | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `darwin`       | Apple Darwin                         | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `dragonflybsd` | DragonFly BSD                        | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `freebsd`      | FreeBSD                              | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `hpux`         | HP-UX (Hewlett Packard Unix)         | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `linux`        | Linux                                | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `netbsd`       | NetBSD                               | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `openbsd`      | OpenBSD                              | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `solaris`      | SunOS, Oracle Solaris                | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `windows`      | Microsoft Windows                    | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `z_os`         | IBM z/OS                             | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
